2 definitions by Meish

A person who insists on one-upping you everytime.
Derived from Mario Bro's -1up

Person A: "I sprained my ankle the other day."
Person B: "Yeah well I broke my ankle once and got the flu. Plus I haven't slept in 48 hours. I'm so tired."
Person A: "You're such a Green Mushroom, Nick."

by Meish September 29, 2008

Get a Green Mushroom mug for your cat Larisa.

bym muscles

Beat your meat muscles - biceps muscles guys get after beating their meat off.

Dude your muscles aren't real, they're just bym muscles

by Meish September 16, 2017

Get the bym muscles neck gaiter and mug.