belly flop
1.
n. a failed dive where there is a loud noise when the flat of the stomach hits the water.
Wow, I never knew that a belly f lop hurts!A belly f lop gets zero points in a dive meet.
2.
in. to dive into the water so that the flat of the stomach hits the water, usually making a loud noise.
Sam belly f lopped again.I get so embarrassed when I belly f lop!