When a girl takes too much Viagra and her clitoris becomes so engorged its forms a stump.
I took some of my dad's Viagra i was soo stumped all day!

I got a proper stump on from that viagra... best day ever... I was so hard
by Roofies & Stumps January 8, 2018
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The insertion of one's partially amputated limb into the sphincter of another person. It is only considered a homosexual activity when both participants are male, otherwise it is a form of pegging. synonym: Dirty Oscar.
Tom: "Ever since my girlfriend got her leg amputated, I've been totally into stumping. Is that gay?"
Scott: "Does your girlfriend have a penis?"
Tom: "Yes"
Scott: "Then yes, Tom, it is homosexual"
by lamesGee January 15, 2010
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when a man's meat has been chopped off and he now doesnt have a tree, but a stump.
she rode his meat so hard, made his a stump.
by ×BigPook× December 3, 2018
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The act of saying yes to something, then changing your mind. Usually used for plans or a date.

Also used in the -ed form
Person 1: Omg I can't believe ... asked you out
Person 2: yeah but I'm planning on Stumping him.

Person 1: did you hear about ... being asked to homecoming?
Person 2: oh yeah I heard ... did it

Person 1: honestly I think he's just gonna get Stumped.
by YabingYang October 22, 2016
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Like humping—gay or straight—but sex with an especially thick penis or "log," with a girth well above the 5.5" average.
His log was as thick as her wrist and stuffed her hole tight when she was stumping him.

Him stumping me in the ass with that monster cock left me so sore I couldn't sit down for a week.
by TheCurmudgeon July 2, 2012
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The Black Knight in the film, Monty Python and The Holy Grail gets stumped after King Arthur defeats him in a fight
by Dusty Smith January 24, 2006
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