Meaning:
blow 
bləʊn.
a powerful stroke with the fist or a weapon
an impact (as from a collision)
an unfortunate happening that hinders or impedes; something that is thwarting or frustrating
an unpleasant or disappointing surprise
a strong current of air
street names for cocaine
forceful exhalation through the nose or mouth
v.
exhale hard
be blowing or storming
free of obstruction by blowing air through
be in motion due to some air or water current
make a sound as if blown
shape by blowing
make a mess of, destroy or ruin
spend thoughtlessly; throw away
spend lavishly or wastefully on
sound by having air expelled through a tube
play or sound a wind instrument
provide sexual gratification through oral stimulation
cause air to go in, on, or through
cause to move by means of an air current
spout moist air from the blowhole
leave; informal or rude
lay eggs
cause to be revealed and jeopardized
show off
allow to regain its breath
melt, break, or become otherwise unusable
burst suddenly
blow Idiom, Proverb
a blow job
giving oral sex to a man, fellatio If you want a blow job, you'll have to shower first.
a blowout
to win by a large score, no contest """Did the Flames win?"" ""Ya, 11-2. It was a blowout."""
blow a bundle
spend a lot of money, lose a lot of money gambling When Al went to Vegas, he blew a bundle - he lost a lot of money.
blow a kiss
kiss your hand and blow across it, throw a kiss Taea can blow a kiss, and she's only eighteen months old!
blow it
cause a big mistake, ruin it, screw up Karen won't blow it this time. She'll skate a perfect program.
blow it out of proportion
exaggerate it, make it bigger than it should be When Gretzky was traded, the media blew it out of proportion.
blow it (something)
fail at something I tried hard but I am sure that I blew the final math exam last week.
blow it up (photo)
enlarge it, magnify it If you want to see details in the photo, blow it up.
blow job
(See a blow job)
blow me
you are worth nothing, kiss my ass, fuck off """You want me to support you by stealing? Blow me!"""
blow me down
I am very surprised, I do not believe it Well, blow me down, Olive. You can cook spinach, too!
blow me over
"it is unbelievable; far out" He's over 50? Well, blow me over!
blow my cover
reveal my true identity, reveal my hiding place With a false passport, I can enter Bali, if nobody blows my cover.
blow one
become wildly enthusiastic over something as if understanding it for the first time in an entirely new light My friend told me that if I read the new book it would blow my mind.praise oneself He is always blowing his own horn and is very annoying at times.
blow one's top
become extremely angry.
blow over
die down or calm down The problem with the lost invoices has finally blown over and everyone is working hard again.
blow sky high
upset a lot of people, cause a scandal or riot This government will blow sky high if people hear these tapes.
blow snakes (music)
play great jazz, improvise creatively I went to hear jazz at the club, and Guido was blowing snakes.
blow the lid off
reveal a story, tell some news, break a story When the defendant confessed, it blew the lid off the murder trial.
blow the whistle
tell the teacher or the police, squeal Jimmy knows we stole the keys, but he won't blow the whistle.
blow them away
defeat them badly, kick butt The Russians blew them away in the first game of the series.
blow this joint
leave this building, quit this place I'm sick of playing billiards. Let's blow this joint.
blow this popsicle stand
leave this place, quit this place What a boring town! Let's blow this popsicle stand!
blow to kingdom come
explode and destroy, blow up There's enough gas in the well to blow us kingdom come!
blow up
become angry, lose your temper If you criticize Al, he'll blow up. He's very sensitive.
blow you away
defeat you easily, beat the pants off You're going to play chess with Boris? He'll blow you away.
blow you out of the water
defeat you, humiliate you If you challenge his leadership, he'll blow you out of the water.
blow your lid/stack/top
become very angry, shout, lose your cool Don't blow your stack in front of the kids. It's a bad example.
blow your mind
amaze you, astound you, shock you Watching films of the holocaust will blow your mind.
blow your stones
ejaculate, come There's more to it than blowing your stones. Sex is an art form.
blow your wad
spend all your money, blow a bundle He blew his wad on some handmade boots. They cost $700!
blowout
(See a blowout)
full blown
all the symptoms, every sign It often takes years for the virus to develop into full-blown AIDS.
blow
1. cannabis or marijuana. It's interesting to note that in the U.S. it refers to cocaine
2. to leave
blow a fuse
to be very angry
blow away
1. to kill
2. to amaze; see blow your mind
blow chunks
to vomit
blow down
to blow somebody down: to kill somebody
blow-off
to fart, but not belching
blow out
1. an excessive spree of drinking, eating, spending or sex
2. see blow someone out
blow someone out
to rudely cancel (an arranged meeting with someone)"I'm going to blow out my brother and go to that new club night instead"
blow the gaff
to reveal a plot or secret
blow the whistle on
to inform on
blow top
to blow your top: to explode with fury
blowback
a method of sharing a joint between two people, with one person blowing and the other inhaling
blower
1. the telephone; from the speaking tube, down which one blew to attract a person's attention prior to having a conversation through it
2. a paper towel roll stuffed with dryer sheets to dissipate marijuana smoke:"I got the blower if you got the bowl"
blowyalance
something that is really bad; something that really sucks
blow off
remove by explosion or force of wind吹掉；炸掉
The wind blew off the roots of many trees．大风把许多树连根拔掉。
blow off steam
1．let or make steam escape 排气；放气
The worker let off some steam because the pressure was too high．那位工人排出一些水气，因为压力大高。
2．get rid of physical energy or strong feeling through activity；in dulge in strong or violent language to relieve one's feeling 发泄精力或情绪；讲激烈而粗野的话以发泄感情；出气
When the rain stopped，the boys let off steam with a ball game．雨停后，孩子们赛球解闷。
When men let off steam，they tend to shout；women，on the other hand，express their feelings by weeping．男人发泄强烈感情时，倾向于大声喊叫；妇女则不然，用哭泣来发泄感情。
Don't take any notice of what he says；he's just letting off steam．不要理睬他所说的话，他在出气罢了。
Bill had to take his foreman's rough criticisms all day and he would blow off steam at home by scolding the children．比尔整天挨领班的训责，回家后就拿孩子出气。
blow upon
inform against；betray；impair the value of告发；出卖；使…受损害；使…丢脸
He blew upon his comrades．他出卖了同志。
Her reputation is blown upon．她威性扫地。