Top Definition
The homosexual act of one man farting into another man's ass.
Garrett, did you really just Steam Pipe Tim in the ass?
by Mike161 November 17, 2011
A person who seems cool when you meet them, but they end up being a piece of shit of a person
"Hey, you know that kid Nick? He seems cool so why don't we hangout with him?"

"Cause he is a steampipe dude. "
by Bigolboi April 10, 2015

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