I dont know why all of you on her are nasty, but a pterodactyl is a dinosaur.

A polite term for shoving a lubricated probe into the Earth's hole to release gas.

When a woman performs oral sex on a man in front of her, while at the same time is giving hand jobs to men on her right and left. The resulting motion looks like she is attempting to fly. (Much like a pterodactyl.)

In a bathroom stall, one grabs the tops of the walls and places one foot over each wall. One then proceeds to defecate from approximately 5 feet above the toilet, while mimicking the cry of a Pterodactyl.

A sexual act involving one woman and three guys. With all three men standing in a row the woman gets on her knees facing the men so that she can jack off the two guys on the outside while blowing the guy in the middle. With her head bobbing and arms jacking ferociously she resembles the mighty pterodactyl!

When a guy is have sexual intercourse with a girl or guy doggy style and he grabs the sheets and pulls them up over his head and flaps his arms using the sheets as wings and makes loud bird noises while blowing his load.

Sense of nervousness, paranoia or impending dread often accompanying the first day of sobriety following a raging bender. Symptoms may include shakiness and/or hallucinations of flying objects in one's peripheral vision.