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The act of yanking someones top down to reveal their bra. To welly someone takes alot of stealth and the victim must be taken by surprise for it to be counted as wellying.
Guy 1: Wtf just happened??
Guy 2: I think that girl just got wellied by her friends!

or

Guy 1: Where were you most the night??
Guy 2: I was following this girl round wellying her... she had the biggest tits ever!
by DI Girl November 14, 2010
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
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