Sport also known as whiff-whaff (4,4)
I believe the answer is:
ping pong
(Other definitions for ping pong that I've seen before include "Table tennis" , "sport" , "game" .)
I've seen this clue in The Guardian.
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.