Soundly thrash (7)
I believe the answer is:
trounce
(Other definitions for trounce that I've seen before include "Defeat heavily (in contest)" , "Beat severely" , "Defeat decisively" , "Easily best" , "Thoroughly defeat" .)
I believe the answer is:
trounce
(Other definitions for trounce that I've seen before include "Defeat heavily (in contest)" , "Beat severely" , "Defeat decisively" , "Easily best" , "Thoroughly defeat" .)