A penis that, when flaccid, touches the water of the toilet whilst the carrier is excreting.
Joe stuck his megalodong into the gloryhole.
by TheMegaladong June 21, 2015
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Derived from the prehistoric shark known as a Megalodon that is thought to have lived during the Cenozoic Era. Although its actual size is debatable, all scientists have agreed that it was massive. This term is used to define an enormously endowed man.
"That guy definitely has a megalodong; I bet it's larger than Shaq's."
by SharkFact69 August 06, 2013
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A big Dick Diver. A commercial diver who's cock is so large, it could be mistaken for a shark
Quick!!, everyone out of the water!! There is a massive megalodong near blackburn's asshole!!
by JWATT85 November 10, 2018
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