Modern dance move (3)
I believe the answer is:
dab
'modern dance move' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for dab that I've seen before include "A bad, backward fish" , "Fish; small amount" , "Bad sort of small fish" , "A small fish - bad one" , "Flatfish; fingerprint" .)