The act of jerking off while taking a poop. This is preferably done while you have the runs.
My girl wanted to watch me churning butter, I was going to say no but she squirts so it's chill.
Cumming into her pussy several hours after you’ve already cum into her pussy
Oooh you’re extra creamy. Yes you already came in me last night , your just in there churning butter at this point
When your partner lets you engage in anal intercourse, and cum inside them, and then let’s you do it a second time within the hour.
Polly likes it up the butt so much, she had me churning butter last night!
Being on the receiving end of anal intercourses, and then allowing your partner to do the same thing within a short period of time!
My girlfriend Polly likes it up the butt so much, I ended up churning butter last night!
Mark was having a bad day after stubbing his toe, so he tried to cheer up by buttering the trout.
doodoo butter is a reference to call people when they're fucking bad at a game
Guy 1: There's a guy on the hills!!
Guy 2: Nigga, where the fuc-
(guy 2 fucking gets shot and dies)
Guy 1: ur doodoo butter