Crazy, psycho, or otherwise off your rocker. Usually over some dude who totally isn't worth it.
I had one too many car bombs last night and am pretty sure I left Chas some crazy, rambling voicemail message about the demise of our relationship - now he probably thinks I'm totally nutter butters.
by kittykittybangbang March 10, 2010
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The sexual act of rubbing peanut butter on a male's testicles, his nuts, and having another person lick it off.
by NateDogHou November 10, 2011
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The nutter butter is a delicious, kinky, and nutritious sexual act given by a woman to a man. The nutter butter happens when a man spreads peanut butter on his 'junk' and then proceeds to place it into his partners' mouth. He then MUST nut (a.k.a. skeet, jizz, cum, and the like) into her mouth. Hence, the nutter butter.
I gave that slut last night a nutter butter. The peanut butter from my dick, was sticking to the roof of her mouth, so I washed off with mah jizz.

Woman: "Peanut butter is my favorite! =D"
Man: "Then you would love a nutter butter!"
by Rezaerection July 3, 2010
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A weak and lame individual. A nobody who doesn’t matter. Someone who is fake, a show boat who can’t deliver. All bluster
by P drizzle October 20, 2017
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cookie that are shaped like peabuts with peanutbutter creme inside
"hey mom, can i have a nutter butter if i finish my dinner?"
by i'm cooler than you. February 13, 2004
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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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