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27.
the place between where your balls stop and your ass begins
the butt nut is the ugliest thing on a man's body
by wack September 16, 2003
 
8.
something you call your little brother regularly and is topped off when accompanied with a noogie.
see above for other examples of the term buttnut
by slightlybonkers March 06, 2008
 
9.
n. a slang term for "homosexual"
he's a decent fella and everything, but listening to all that Ricky Martin means he must be a butt nut
by docks6 October 17, 2003
 
10.
debris expelled from the anus post anal sex consisting of mostly ejaculatory fluid.
some gay men are scared to have sex hastily for fear of excess butt nut
by Teegeay October 21, 2010
 
11.
An insult much like Buttface but much more gruesome and always brings the victim of your insult to a loss for words.
You Buttnut you smell of rotting cheese.
by Corrie July 11, 2005
 
12.
a nut that sometimes comes out of your butt. perhaps after a raging party, or something.
Ashaya: Awh man, last night was awesome!

Skylar: I Know right? There's one disadvantage to partying too hard.

Ashaya: Oh yeah? Whats the disadvantage?

Skylar: Butt-Nuts. =\ Came out this morning, what the hell did we even do last night?

Ashaya: Not sure, musta been good though.
by causeeveryothernameistaken April 23, 2010
 
13.
Climax experienced as one finishes fucking another in the ass.
Hey, Devon, did you buttnut that shit last night?
by JosueFender July 15, 2008
 
14.
when you wipe from the front, and you get butt on your nut.
Jon wiped from the front, and now he has butt nut.
by ZachyD September 18, 2003