Definitions
1.NounA style of diving into a body of water in which the surface impact is made mostly by one's abdomen.
2.NounA similar move performed on a trampoline.
3.NounA flop; an utter failure.
4.VerbTo perform this type of dive.
5.VerbTo perform this type of trampolining move.
6.VerbTo flop; to be an utter failure."The director's first three movies belly flopped."