Slight fight
I believe the answer is:
spat
'slight fight' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for spat that I've seen before include "Legging covering instep and ankles" , "Small row between Pats" , "Trivial quarrel" , "Unimportant quarrel between Pats" , "Gestured with contempt" .)