during sex, the male being on top, grabs the blankets and spreads them out behind his back like wings and flaps and screeches like a pterodactyl
dude i gave Alison the screeching pterodactyl last night.

how did that go

not so well she broke up with me today
by Guerrilla655 October 27, 2010
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A phrase commonly used by the fandom side of the social media website tumblr to describe a reaction of an inhuman noise (that sounds like a pterodactyl screech) one has made after they see something that pleases them greatly and instantly excites them.
*A cute drawing of OTP shows up on dash*

Tumblr User: *pterodactyl screech*
by Carlyndra September 8, 2013
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