ace
He's an ace reporter.
Meaningvery good

action
Do you know where the action is in this town?
Meaningexcitement

airhead
My sister's boyfriend is a real airhead.
Meaningstupid person

all wet
Your ideas about politics are all wet.
Meaningcompletely wrong

all-nighter
I almost fell asleep during the test after an all-nighter.
Meaningafter studying all night.

ammo
The gun was useless after the killer ran out of ammo.
Meaningammunition

antifreeze
I really need some antifreeze in me on cold days like this.
Meaningliquor

armpit
This town is really an armpit.
Meaningundesirable place

awesome
What an awesome sunset.
Meaninggreat

bad
Wow, that was really a bad movie.
Meaningintense

barf
He barfed all over the seat of the airplane.
Meaningvomited

bashed
The boat was bashed beyond recognition.
Meaningcrushed

beat
After working all day I am really beat.
Meaningexhausted

beemer
He just bought a new beemer to drive to work in.
MeaningB.M.W. car

bench
He was benched during the basketball playoffs.