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1.
ptwatodactyl: A vagina that looks like a pterodactyl. Any of a number of genera of flying reptiles of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having a highly reduced tail and teeth and a birdlike beak.

The vagina often with the same similarities as a pterodactyl. the over size clit representing the beck and the loose vagina lips those like of the pterodactyl.

My pen-io-saur completely destroyed that ptwatodactyl.
by Ima Moose November 10, 2007
 
2.
A dinosaur regularly prayed on by the peniosaurus rex. There were many subspecies including, but not limited to the Brazilian, hairy, landing strip, and hairless.
These fossil records show that the ptwatodactyl was a very beloved dinosaur.
by kroderus September 03, 2008