Fist pump or fist bump (7)

I believe the answer is:

gesture

(Other definitions for gesture that I've seen before include "Arm signal" , "Expressive physical movement" , "A physical motion or signal" , "Gesticulate, sign" , "Expressive motion" .)

I've seen this clue in the LA Times.

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.