Slang: NTC's Dictionary of American Slang

Ø  ace boom_boom: one's good and loyal friend.

eg.  We're ace boom_boom. The best friends there are.

Ø  ace out: to be fortunate or lucky.

eg.  I really aced out on that test in English.

Ø  aim for the sky: to aspire to something; to set one's goal's high.

eg.  Aim for the sky, son. Don't settle for second best.

Ø  ain`t long enough: of a sum of money that isn't adequate.

eg.  I can`t go with you. My cash ain't long enough.

Ø   airy_fairy:  insubstantial; of wishful thinking.

eg. Haven't you outgrown that kind of airy_fairy thinking yet?

( from mis.bitarafan )