Bastardization of the phrase "nip it in the bud," which in turn means to stop something from happening by squelching it early on.
I am gonna have a lot of homework to do in a few feeks, but I will nip it in the butt(bud) by dropping out today!
by bill doe June 27, 2006
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To keep something in check. To stop someone from getting out of line.

It comes for rounding up cattle with cattle dog, witch will nip the cows from behind to make them move.
Those kids were getting out of control. I had to “Nip it in the butt” early to get them back in line.
by Craigoss November 27, 2018
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To sharply but not tortuously grab, poke, pinch, or forcefully jab someone or something on the butt to get it to stop doing a certain action.
If your child talks back to you, nip it in the butt to be sure they don't do it again.
by Emmegirlie April 3, 2017
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Nip it in the butt is a bastardization of "nip it in the bud"

It has since turned into a joke phrase or a vulgarity meaning to have sexual intercourse in the anus.
Guy: Ya know that hot chick down there?

Guy2: Yeah. So?

Guy: Well I am gonna "nip it in the butt!"
by Why so many taken names... December 30, 2010
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To provide one’s partner with bum love

From an incorrect perception of the well known phrase “nip it in the bud”.
Adopted to describe the act of inserting one’s schlong or other falice shaped object into the chocolate starfish of one’s partner
Shaniqwa: come give me some sugar mmm mmm
Darius: want me to nip it in the butt?

OR

Dave: We’ve done it the normal way now, can I nip it in the butt?
Sally: You want to finish making love to me whilst we are only in the early stages of love making?
Dave: No, I want to stick it up your arse!
by Bush_2018 October 25, 2018
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