Butterin 

Splashing a shot in 2k. Could also be used in a sexual context: cumming on someone and rubbing it in

I’m butterin them hoes. No cap

Butterin by Go Bellevuaaaa December 28, 2020

Butterin Toast! 

v. The act of jizzing on someones freshly toasted toast and smearing the warm creamyness over the toast and watching them eat it.

Rachel gazed over at the seemingly innocent toast on the counter top. Little did she know of the sinister Butterin Toast! ritual that took place in that kitchen.

Butterin Toast! by BUTCH PEDASIN January 16, 2011

Butterin' Up 

When a male or his female partner smears butter over the male's prolapsed asshole

Male:Hey babe, can we do some Butterin' Up tonight?
Female:ew what the fuck is wrong with you?

Butterin' Up by Toxintine August 25, 2019

Buttering the cat 

This term began to appear after the December 2021 viral Reddit post "AITA for “perpetuating ethnic stereotypes” about Jorts?" on r/AmITheAsshole by u/ThrowawayOrangeCat about a conflict involving two cats at their workplace. The cats are named Jean and Jorts, and to cut a long story short, a human colleague named Pam had been spreading margarine on Jorts to encourage him to groom himself. (Presumably he would like the taste and spend more time licking it off.) It's unclear whether Jorts responded to this, because Jean began to lick his fur -- this upset her digestive system. Pam was asked to stop applying margarine to Jorts. Readers shared the post to social media, and people began posting memes and jokes about the situation.

Later that month, #DisabilityTwitter used the situation as an analogy, to address whether a particular accommodation is useful. (Implied: even if it's well-intentioned, if it's not helpful to the person with needs, it wastes time and may actually have negative impacts. Just like applying margarine to Jorts.)

"Are you helping, or are you just buttering the cat?" (from #DisabilityTwitter)

A person may want to help resolve a difficult situation, but realizes that they lack the necessary skills and would just make things worse: "I'd love to help, but at this point I suspect I'd just be buttering the cat ..."

Buttering the cat by TapirTrouble December 21, 2021

Butterilla 

It is common for Mexican-American and Mexican families to enjoy a flour tortilla with melted butter spread inside the tortilla. It's similar to a quesadilla; however on a butterilla the tortilla is rolled. Currently a butterilla is requested by asking for "melted butter on a flour tortilla."

My children enjoy eating butterillas when they visit their grandmother's home.

Butterilla by SilvaButterRilla December 28, 2013

Annandale Butternut Minigolf

where a male or shemale applies a strap on effectively giving themself a second phallical member enabling them to dp the female on their own. micropenis and horse cock strap on is a must, resulting in twice the pleasure per thrust

Dabini was tired of sharing his girl with other men in threesomes and decided to give her the ol' Annandale Butternut Minigolf instead

Annandale Butternut Minigolf by yellow garfield June 3, 2019

buttersnap shitfuckery 

The intransigent nature of sodomite psychology.

The unwillingness of a person to consider anything
which is not in accord with their raison d'être.

A fuctard can be a person who has buttersnap shitfuckery of the mind

buttersnap shitfuckery by Avesta May 25, 2010