Meaning:
a lot 
adv.
to a very great degree or extent
lo Idiom, Proverb
a blank look
eyes show that a person does not understand, the lights are on but... When I called her name, she gave me a blank look, as though she didn't know me.
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."""
a chip off the old block
a boy who is like his dad, the apple doesn't... Eric is a chip off the old block. He's just like his dad.
a close call
close to danger or an accident That was a close call. The train nearly hit the bus!
a close shave
very close to serious injury or death The old man described his fight with the bear as a close shave.
a dead loss
a complete loss, a write-off (see write it off) The spoiled meat was a dead loss. We couldn't eat any of it.
a faraway look
the eyes show thoughts of a distant place or friend When I mention horses, you get a faraway look in your eyes.
a few bricks short of a full load
not sensible or logical, not all there When Moe began eating bugs, we knew he was a few bricks short.
a glow on
slightly drunk, tipsy, catch a buzz When Myrna gets a glow on, she likes to dance real close.
a hollow leg
space for a lot of drink, room for a lot of beer Parl drank six bottles of beer. He must have a hollow leg!
a horse of a different color
a different matter, a separate issue If he wants to buy the land, that's a horse of a different color.
a long shot
a poor chance of winning, a slim chance The Leafs winning the Stanley Cup - now that's a long shot.
a loose cannon
unpredictable employee, one who may embarrass The President is sensible, but the Vice President is a loose cannon.
a losing streak
losing several times in succession The Leafs are on a losing streak. They've lost seven games!
a lost cause
a goal or project that is not worth working for That video store is a lost cause. It has never made a profit.
a lot of bunk
a lot of lies, a lot of bull, a pack of lies The President's speech was a lot of bunk. It contained no facts.
a lot of falderal
a lot of foolish talk, a lot of bunk When you hear me speak Latin, you'll think it's a lot of falderal.
a lot on the ball
intelligent, smart Melvin may not look intelligent, but he's got a lot on the ball.
a love tap
a gentle hit with the hand, a light push or bump I didn't hit you very hard. It was just a love tap.
a man of the cloth
a minister, a priest, a clergyman Being a man of the cloth, he has studied the Bible.
a mental block
a problem with learning a subject or concept I have a mental block when I try to do algebra. I can't think.
a notch below
inferior, not as good That bicycle is a notch below the Peugeot. It's not quite as good.
a screw loose
a little bit crazy, one brick short... Sometimes I think he has a screw loose - like when he eats paper.
a slippery slope
a path that leads to problems, a risky plan Nationalism is a slippery slope. It often leads to racism.
a slow day
not productive, not many customers Tuesday is a slow day in the car market - very few sales.
a stitch of clothes
(See didn't have a stitch of clothes on)
a tough act to follow
a performance that is not easy to equal Gail danced very well. That is a tough act to follow.
a wolf in sheep's clothing
an evil person who looks innocent The priest looked harmless, but he was a wolf in sheep's clothing.
actions speak louder than words
people judge by actions more than words, practice what you preach Parents should remember that actions speak louder than words. Kids imitate their parents.
all along
all the time I knew all along that he would not get the promotion.
all day long
the whole day She has been sitting and waiting for the mail to arrive all day long.
all hell broke loose
people did crazy things, everybody was fighting When the fire alarm sounded, all hell broke loose.
all's fair in love and war
there are no rules to guide you in love or war, that's life When your girlfriend leaves you for your best friend, remember, All's fair in love and war.
all the livelong day
all day, lasting the whole day Our canary sings all the livelong day - from dawn to dusk.
along those lines
similar, on the same topic, in that vein He wants a job in health care or nursing, along those lines.
around the clock
twenty-four hours, 'round the clock Julie worked around the clock to finish her sewing project.
as long as
provided that, on condition that As long as you promise to be careful you can borrow my car.
as slow as a dead snail
unbeatable in slowness He writes as slow as a dead snail, only a word or two per day!
as slow as molasses in January
only a dead snail is slower The building approached its completion as slow as molasses in January.
at a loss
sell something and lose money We were forced to sell the computers at a big loss.
at a loss for words
unable to think of a reply or something to say When he asked why I wanted the vase, I was at a loss for words.
at loggerheads
not agreeing, opposed to each other They're at loggerheads over who owns the farm. They don't agree.
at loose ends
disorganized, unable to concentrate I was at loose ends when the kids were fighting. I couldn't think.
back teeth are floating
have to urinate, need to pee Please watch for a rest room. My back teeth are floating.
bad blood
anger or a bad relationship due to past problems with someone There has always ben a lot of bad blood between the two supervisors.
baloney
false statements, bull, bunk, hogwash Most of what the speaker said is a lot of baloney - untrue.
before long
soon.
below the belt
in an unfair or cowardly way I think that he was hitting below the belt when he began to criticize me after I told him my true feelings on the matter.
below the poverty line
not earning enough to survive, very poor, as poor as a church mouse If husband and wife are earning minimum wage, they're living below the poverty line.