belly flopper vs belly whop

belly flopper and belly whop both are nouns.

Word	Noun	Adjective	Verb	Adverb
belly flopper	Yes	No	No	No
belly whop	Yes	No	No	No

As nouns, belly flopper and belly whop are synonyms defined as:

belly flopper and belly whop: a dive in which the abdomen bears the main force of impact with the water

Other synonyms of belly flopper include belly flop, belly whopper.

belly flopper (noun)	belly whop (noun)
a dive in which the abdomen bears the main force of impact with the water	a dive in which the abdomen bears the main force of impact with the water