Some slang expressions

Ace - To do something very well, particularly an examination (verb); first-rate (adjective), or an expert (noun).

Afro - A bushy haircut of curly hair, as worn by some African-Americans.

Airhead - Someone who isn't very smart; a stupid person.

All ears - Listening carefully; keenly attentive.

All-nighter - A study or work session that goes through the night; studying without sleep ( usually a last-minute course of action ).

An arm and a leg - A large amount of money; very expensive or costly.

Ants in your pants - To be nervous or anxious or jumpy; to be unable to sit still.

Armpit - An unpleasant or backwards place; an ugly and undesirable city or area.

At the end of your rope - To be out of options or alternative courses of action; to be stuck in a bad situation.

Average Joe - Someone who is just like everyone else; a normal person.

Axe - To eliminate someone from their job; to terminate employment.

Back burner - Not an urgent priority. To put something on the 'back burner' is to put something off until later stage.

Back on your feet - To recover, usually from an illness; to feel better after being sick.

Back seat driver - Someone who gives unwanted advice; someone who tries to run things even though they don't have the power or authority to do so.

Back to the drawing board - To begin again; to repeat a process, often after a major setback.

Bad mouth - To say negative things about someone or something.

Baked - Intoxicated, especially after smoking marijuana; in a dazed state, resulting from drug consumption.

Ballpark figure - A good numerical guess; an estimate.

Basket case - Crazy; hopelessly broken down