"You __ seen nothin' yet" (4)
I believe the answer is:
aint
(Other definitions for aint that I've seen before include "Am not (informal)" , "Is not (commonly)" , "Isn't" .)
I've seen this clue in the LA Times and The Mirror.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.