not so fast


not so fast

1. Literally, slow down; don't move or do something so quickly. OK, now just ease the car around this turn. Whoa, not so fast!2. exclamation Stop right there! Don't move! Not so fast, Mark! I have a few things I need to discuss with you about your behavior in class before you leave.See also: fast, not

not so ˈfast

(informal) often used for telling somebody who may have done something wrong, etc. to stop or wait: Not so fast, young man! Let me see your ticket! ♢ ‘I’m going out to play now, Dad.’ ‘Not so fast, David. You’ve got to tidy your room first.’See also: fast, not