•1 ace

He's an ace reporter.

MEANING: very good

•2 action

Do you know where the action is in this town?

MEANING: excitement

•3 airhead

My sister's boyfriend is a real airhead.

MEANING: stupid person

•4 all wet

Your ideas about politics are all wet.

MEANING: completely wrong

• 5 all-nighter

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

MEANING: after studying all night.