Top definition
To fuck up, mess up or destroy. Word originates from Cheboygan, Michigan.
I gotta take a dump. I'm gonna mastify the toilet!
by Buckostar November 16, 2010
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Jul 7 Word of the Day
When you're being horny (especially around friends) and as a result shame ensues.
Friend 1: "Aw man, I could totally fuck a catgirl right now.."

Friend 2: "That's it, you're going to horny jail."
via giphy
by Blysterz October 19, 2020
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