Belly flop, say (4)
I believe the answer is:
dive
(Other definitions for dive that I've seen before include "Plunge head first" , "Dip" , "Swim under water" , "sleazy bar" , "Disreputable bar; plunge" .)
I believe the answer is:
dive
(Other definitions for dive that I've seen before include "Plunge head first" , "Dip" , "Swim under water" , "sleazy bar" , "Disreputable bar; plunge" .)