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When a girl is going down on a guy and her jaw gets sore and tired.
“My girl was going down on me and got that grump jaw”
A blow job performed with Game Grumps playing in the background instead of Netflix.
I gave my boyfriend the hottest Grump job during the Wind Waker let’s play last night
Green tree that hang over at the top.
Look at that tree that hands over, it looks like a grump tree.
A "grump dump" is when a person or place is really down in the dumps. When one is not feeling good and is just grumpy all around.
Person 1: ugh, I hate math class!
Person 2: ay stop being a grump dump at least we don't have a test!
Someone in a grumpy mood who intentionally avoids interaction with others as they wallow in their own discontent
Mike got out of the wrong side of the bed today, he's been grumping off in the garage all morning
When you rub one out while taking a grumpy
Anthony: Dude my girlfriend caught me grumping off and now she thinks im gay!