school yard taunt. Denotes the person is icky
"that Tommy is a crusty finger fungus butt"
by Peter Rothe March 6, 2008
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When a guy is fucking a girl's pussy and he sticks his fingers in her butt at the same time.
Keirsten's toes curl and her body tingle's all over when Chad finger butt fucks her!
by SlopNChop August 19, 2016
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A descriptive sentence describing something really gay or weird, like a fucked up fetish.
Weird Gay Guy: Wanna come to a sausage fest at my place? We'll be in my basement, my mom will bring us pizza.

Other Guy: Hell no! That sounds Finger-Up-the-Butt to me!
by pain77888g March 7, 2016
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In the act of wiping one's bottom, when the toilet paper tears and, inadvertently, a finger plunges into the butt hole. (Occurs especially when using cheap toilet paper or when wiping too hard). Can result in a stinky fingernail.
Guy in toilet: Oh, dude, gross!
Guy outside: What happened?
Guy in toilet: I was wiping and I accidentally did the one-fingered butt plunge.
by LongWayfromHome September 7, 2010
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My boyfriend, Mike, begged me for a five finger butt blast last night. Now my wrist is sore.

Jeremy gave Jacob a great five finger butt blast today, he said he's never gotten his fist so far up another man's rectum before.
by Johnny Jerk Off July 26, 2013
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The placement of index and middle finger into another persons anal cave, and moving them in a back and forth "saw" motion.
Dude if you don't cut the attitude I will have to break out the two-fingered butt saw and give you an adjustment.
by Lt. One-Eye September 30, 2006
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(When one's offer of help has been rebuffed) to take offence and therefore actively endeavour to worsen a situation.
I tried to help Brian out, but he was just really rude to me. So I decided to break my finger (off) in his butt. Bloody bastard!
by TaNeaGrafika April 19, 2008
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