A hat that makes your head look like a dick.
Jules is hearing her Mushroom Hat. What a dickhead!
by TotallyNotMark April 13, 2021
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When you match with a dude on 3 or more dating services.
"I matched with Phil on Tinder, Bumble, AND Hinge, Judy! A Mushroom Hat Trick!!!"
by angryrancor September 9, 2021
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