1) to be/act intelligent
2) to be learned, but not able to integrate that knowledge into everyday use (intelligent), often used as a concatenation:
book-smart, street-smart, brick-smart
3) to dress in a coordinated or
fashionable manner, See:
look sharp
4) (intrans. verb) to hurt or cause pain
1) That japanese kid is smart. He got his PHD before he was 20.
2) Jennifer is finally loosening up. Back in high school she was just too
book-smart and had no clue about what was going on.
3) Hey
Swaggart, thats a smart looking suit you've got on.
4) Ouch, a
paper cut... that smarts!