To put peanut butter on your balls and let your dog(s) lick it off.
I gave my dog a nutter butter last night. It tickled a little bit and felt kinda weird especially when my mom came home.
by Ey Jo November 4, 2008
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When a guy nuts in a jar of peanut butter, while lying in a bathtub.
"When we asked if he really fucked a jar of peanut butter, he replied 'Yes, I bought it myself.'"
"Wow, he actually did a full-on nutter butter."
by UwU, not OwO June 27, 2020
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When one unspecified person kicks a man in the ass at the same time that another unspecified person kicks a man in the junk, thus creating a sort of "nut sandwich" between their feet.
We gave Raffael a wicked nutter butter because he stole our pizza!
by K. Rain January 26, 2008
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v. When you see a girl from behind and she has a nice ass, but then she turns around and is wicked ugly from the front.

n. a girl with a nice ass, but when she turns around her face has been beaten with an ugly stick
1: Hey, bro, you see that chick standing over there?
2: Yeah, she's hot!
1: From behind maybe! I just went over to her to get her name and she is the best example of a nutter butter yet!
2: Why can't a nice butt have just as nice of a face?
3: Cuz God like jokes.
by nutter butter h8r July 20, 2009
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The uncomfortable sensation of having one of your testicles slide up the ol poop shoot.
Dude I just had a Nutter butter experience for the first time!
by pinkieb October 21, 2019
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A gay man takes his penis and rubs it all over his straight black friends face covered in acne. The friend then runs to the kitchen to smear peanut butter on top of the cum filled face. Then they call up another brotha to lick it all off. Creating the nutter butter.
"I had some brothas over last friday to watch the baseball game, and we made some nutter butters."
by Penis Cleff October 26, 2009
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