Top definition. Pterodactyl unknown. I dont know why all of you on her are nasty, but a pterodactyl is a dinosaur. What did you do your science project on? I wrote about pterodactyls. 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.
Top definition. The Pterodactyl sex. When a girl wants to have a foursome with 3 guys, but she can't decide who to pleasure first. The 3 guys then proceed to stand up next to each other. The girl gets on her knees, then gives the middle man a blowjob, while she jacks off the other two. The in and out motion of her head and arms resemble a pteradactyl.
Top definition. Dactyl unknown. The dactyl is a fierce sexual move where 1 girl services 8 to 9 guys using hands, feet, tits, mouth x 2, vagina, ass, and anywhere else one will fit. That chick dactyled with the entire fraternity last night.
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