2 definitions by DI Girl

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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When you try to inhale any type of smoke properly and fail resulting in a coughing fit.
Guy1: Wow she's coughing at lot, is she ok?
Guy2: She's fine, she just McGlynned her fag

or

Guy1: Can i have a toke of that?
Guy2: Only if you don't McGlynn it, there isn't much left

or

Guy1: Can i scrape a fag?
Guy2: Nah, you're always wasting them by Mcglynning it!
by DI Girl November 18, 2010
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