Crossword Genius

Act like a bobblehead (3)

Ross

I believe the answer is:

nod

(Other definitions for nod that I've seen before include "Gesture of approval with head" , "may get gesture of approval" , "Careless mistake" , "Shake head in agreement" , "even Homer sometimes does" .)

I've seen this clue in The New York 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.