The build-up of sweat and dead skin congealed into a buttery substance. Generally found within deep fat crevices i.e. - knee or elbow area.
It's so hot out, I could slather a whole loaf of bread with my knee-butter.

I need to jump in the shower right quick before the knee-butter begins to solidify.
by Nitzy Apple Butter March 9, 2021
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To take a stick of butter put it in a girls vigina and lick it for breakfast.
My girlfriend said "I have to go to work" but I said " not till I'm finished my glutter butter, after all breakfast is the most important meal of the day.
by Chesty Glutswhip November 7, 2015
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A buttery delicious micro-bakery run by a sexy tall tiny toqued woman
Everyone should go check out Butter Goblin on Thursday December 8th @ Habit Coffee
by 👶 December 6, 2022
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the more controversial version of "they go together like peanut butter and jelly". it means that 2 things go perfect together.
Davey: dude, chips and mayo, like, they go together like peanut butter and pickles.
Jon: Wtf? do you mean they go together like peanut butter and jelly?
Davey: No, what made you think that?
by Bacon friez November 3, 2023
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Davey: Bro Doritos and Mt. Dew, like, they go together like peanut butter and pickles!
Jon: Wtf? do you mean they go together like peanut butter and jelly?
Davey: No, what made you think that?
by Bacon friez November 3, 2023
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When a guy a from-unda-cheese, and a female is performing oral sex on him in the hot sun, butter steam is the smell of that special moment.
I could not get enough of the butter steam of Jeff's last night
by like it or suck it March 25, 2018
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