Smack sharply (6)
I believe the answer is:
thwack
(Other definitions for thwack that I've seen before include "Beat with something flat" , "Sharp blow" , "Thump" , "Strike with something flat" , "Loud smack" .)
I believe the answer is:
thwack
(Other definitions for thwack that I've seen before include "Beat with something flat" , "Sharp blow" , "Thump" , "Strike with something flat" , "Loud smack" .)