When your wiener is on the same side as your butt, generally right above it or somewhere in the crack.
Dude 1: "Dude! did you hear about Steve's gnarley condition?

Dude 2: "No, what is it?"

Dude 1 : "He was born with a WEINER BUTT! that's why he pees in the bathroom urinals backwards!"

Dude 2: "Whoa! That's messed up!"
by Dr. Funkotronn July 29, 2010
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1. An exceptionally nasty hot dog.
2. Pronoun for somebody acting like a douchebag
I vomited from eating a weiner butt last night.

Dude, stop acting like a wiener butt.
by The Rizzle December 19, 2005
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A butt weiner is an individual with a weiner that has been inside a butt.
Dude 1: Did you hear about Joe?

Dude 2: Joe Riley?
Dude 3: Yeah. Heard he stuck his weiner in a butt.

Dude 4: Oh. He's got a butt weiner now
by Butreallytho January 30, 2016
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Similar to weiner butt, but more desriptive of the weiner rather than the butt.
Hey, butt weiner, thats quite the package you got there.
by VauZZ May 18, 2006
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