noun - a lighthearted name for the medical condition known as a rectal prolapse. This condition is marked by the extrusion of one's rectal walls through the anus.
If you let that dolphin do you in the butt, you may well develop an ass tulip.
by strindberg March 18, 2003
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After any activity that would expand the anal cavity, such as anal sex, if on pushees his or her sphincter, part of the anal tissue will come out of the rectum. It is given this name because it when extended it looks like a tulip.
"You should have seen the tulips on Nate after last night."
by copernicus p. alfonz July 22, 2003
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To get fucked very hard till your anus pops out of your ass!

Jesus, look at the ass tulip I gave you!

by Slush February 14, 2006
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A person who, while not ugly on the outside, removes any of his or her likability by being an absolute asshole
Wow, Victoria used to be pretty cool, but now she's turned into an absolute Ass Tulip!
by Kaurelius April 3, 2020
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