Top definition
When a guy wears skinny jeans, is wearing a belt, and still has his pants sagging...the big fluffy wad of boxers hanging out of the top of his skinny jeans is the "boxer mushroom."
"That guy's boxer mushroom is definitely not hot. I mean, what's he trying to do? Contain a fart?"
by crystaloney April 21, 2010
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Dirty Sanchez Plush

It does not matter how you do it. It's a Fecal Mustache.

Buy the plush