Meaning:
1st class 
n.
mail that includes letters and postcards and packages sealed against inspection
las Idiom, Proverb
a blast
a great time, a lot of fun The students were having a blast until the teacher walked in.
a flash in the pan
a person who does superior work at first I'm looking for a steady worker, not a flash in the pan.
a tongue-lashing
a scolding, a lecture, a talking to When Sis came home drunk, Dad gave her a tongue-lashing.
as slow as molasses in January
only a dead snail is slower The building approached its completion as slow as molasses in January.
at last
finally, after a long time I was waiting all morning for her call but at last it came.
bat an eye/eyelash
show surprise, fear or interest; show one
blast
(See a blast)
blast you
scold you, yell at you Ms. Zank blasted me for using her computer. She was angry.
blasted
dad-blamed, darn, doggone Where's the blasted hammer? It's never here when I need it!
breathe one's last
to die The man finally breathed his last after a long illness.
crawl on my hands and knees over broken glass just
do anything to be closer to her, worship the ground she walks on I'm so in love I'd crawl on my hands and knees over miles of broken glass to see her photo.
dead last
the last runner or competitor It doesn't matter if you come in dead last. Just finish the race.
ditch class
skip class/play hookey.
famous last words
a prediction that is false - the opposite happens, twist of fate """We don't need a spare tire. We never have flat tires on this car."" ""Sure. Famous last words!"""
first class
high quality, excellent Pam's meals are first class. She's an excellent cook.
flash a smile
smile at someone for only a second Andy flashed a smile at me when the teacher asked to see his work.
flash in the pan
(See a flash in the pan)
full blast
as loud as possible, pull out all the stops When we got home, the kids had the stereo on full blast.
ghetto blaster
portable radio, boom box Loud rock music came from a ghetto blaster on the steps.
glassy eyed
dazed, not alert When I saw him he was glassy eyed. I think he was drunk.
have a blast
"have a great party; enjoy the dance etc." """How was the dance?"" ""Super! We had a blast!"""
have the last laugh
make someone seem foolish for having laughed at you first I had the last laugh when I was able to get home early while everyone else had to stay overnight at the airport because of the storm.
in a flash
very quickly, in no time If you're in trouble, Superman will be there in a flash.
lash out
attack someone with words They were walking along the beach when she suddenly lashed out in anger at her boyfriend.
last but not least
the last one on the list but not the least important Last but not least is Carla, winner of the spelling contest.
last call
last chance to buy a drink or come in for supper "Dad stood on the back porch and shouted, ""Last call for supper!"""
last-ditch
last try, desperate attempt, last resort In a last-ditch attempt to save the marriage, he bought her a BMW.
last hurrah
last big event for an old person Frank is planning one more TV concert - his last hurrah.
last legs
(See on his last legs)
last resort
last hope for assistance, last chance to succeed I will call the police only as a last resort - only when I'm desperate.
last straw
(See the last straw)
last word
the last remark in an argument, the final say in deciding something She always expects to have the last word when she and her husband go to the store to buy something important.
look at (see) the world through rose-colored glass
see only the good things about something, be too optimistic He always looks at the world through rose-colored glasses and is never able to understand that some people are dishonest.
look at the world through rose-colored glasses
see only the good things about something, be too optimistic I told him not to be so naive and always look at the world through rose-colored glasses.
make a splash
advertise with style, open with balloons and prizes When Tom opened his Toyota dealership, he made quite a splash.
on his last legs
very tired or old, at the end of his career Gordie was on his last legs, but he could still shoot hard.
on our last legs
nearly dead or bankrupt, nearly done for Financially, we were on our last legs. We couldn't get a loan.
people who live in glass houses should not throw s
do not complain about other people if you are as bad as they are You should not criticize other people so much. Remember, people who live in glass houses should not throw stones.
people who live in glass houses shouldn't throw st
people who have faults should not criticize others Perfect people can be critical, but people who live in glass houses shouldn't throw stones.
plastered
very drunk, hammered, looped, sloshed After losing the fight, Jock went and got plastered.
plastic
credit cards, bank cards I like to use plastic when I travel. I don't feel safe carrying cash.
see the world (things) through rose-colored glasse
see only the good things about something, be too optimistic She is a little unrealistic and tends to see the world through rose-colored glasses.
skip classes
miss classes, not attend classes, play hooky Riza had low grades in history because he skipped classes.
slash and burn
reduce and cut programs without care or mercy To save money, the Government used slash-and-burn policies.
slow as molasses...
(See as slow as molasses in January)
splashback
reaction from the public, fall-out, feedback """Is there any splashback on the new income tax policy?"" ""Yes. It's all positive."""
the last of it
the end of it, no more of it We've had a week of -40 weather. I hope we've seen the last of it.
the last straw
one too many problems, the one that ruins it The break-in was the last straw. We decided to move.
tongue-lashing
(See a tongue-lashing)
you're only as good as your last shift
you are judged by your most recent work, don't rest on your laurels If you believe that you're only as good as your last shift, you should do your best every day.
An las idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with las, allowing users to choose the best word for their specific context.
Dictionary of similar words, Different wording, Synonyms, Idioms for Idiom, Proverb las