When your ass gets full of dick. Possibly a large dildo. May cause anal tearing without lube.
That dude just had buttsex with 85 people at once, including the president.
by Mr. Blazin September 26, 2017
Get a Buttsex mug for your barber James.
A somewhat uncommon medical condition in which the afflicted party is hopelessly addicted to any of the butthole pleasures.
John was diagnosed with a severe case of buttsexitis, but he kept claiming that it was not about the butthole pleasures.
by ThreeTwelve November 03, 2007
Get the Buttsexitis neck gaiter and mug.
Person 1: Wanna have buttsex?
Person 2: What is that?
Person 1: It’s like sex but in the butt.
by Bootystackin November 30, 2018
Get a Buttsex mug for your father Georges.
Anal sex, only unexpected. If you were suddenly penetrated anally, you'd be surprised too.
by Forced anonymous March 30, 2006
Get the surprise buttsex neck gaiter and mug.
a demon who has buttsex with you while you sleep
OMG CARL THINK I WAS ATTACKED BY A BUTTSEX DEMON LAST NIGHT!
by aliza14 April 21, 2020
Get the Buttsex demon neck gaiter and mug.