The act of one man inserting his penis into another man's ass. Not to be confused with straight butt sex.
Harry and Tommy decided they were bored so they had some gay butt sex.
by Harry Zonka August 31, 2008
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When one is fucked so hard in the ass it bleeds. But that doesn't stope the anal action and one keeps going and going.
Jimmy had bloody butt sex with Sussie now she cant walk straight and has to get stitches Owe!
by Super Anal Man November 6, 2007
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1. The act of a man inserting his penis into a womans ass. Not to be confused with gay butt sex.

2. (Rare) The act of a woman inserting a dildo into a man's ass. This is considered to be a form of gay butt sex in some circles.
1. Harry was tired of Sarah's loose vagina so he decided to stick it in her butt for some straight butt sex.

2. Sarah rammed the 10 inch blue dildo up Harry's ass for some straight butt sex that some would consider kinda gay.
by Harry Zonka August 31, 2008
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the best thing you never knew you needed.
Dude, i was chilling and all of sudden SUPRISE BUTT SEX! it was great.

Man it wasnt rape, it was just suprise butt sex, you'll get over it.
by joe scarpati December 8, 2007
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A specific person in life that someone has anal sex with. This anal sex is done ferociously and with great confidence.
1 "I found a new butt sex buddy last night. She does anal very viciously and very hard."
by Dr. Nipples October 13, 2013
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The polite use of only one finger during butt sex, the Canadian way!
Wife, Would you like to partake in some Canadian Butt Sex tonight? I am feeling adventurous, eh.
-I would love some Canadian Butt Sex. Please use only the pinky though as that Kraft Dinner made my butthole burn a little, eh.
by RichTheRedn3ck September 21, 2023
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Joey: SURPRISE BUTT SEX!!!!! *dry hump's yuig*
Yuig: Joey, with you its never a surprise...
by motherly love January 18, 2010
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