Underpants; a diminution of the rhyming slang 'Solomon Grundies' = Undies
Must go to Marks and Sparks to get some new gruns!
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Slang term for Randomness, or plain nonsense
Vipjemon battles often contain a lot of Gruns.
Hah i went to a pub last night and everyone was grunzed
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The cheesey discharge from an unclean vigina, which has crustated on the outer viginal flaps.
I am not going down on you until you clean that grun off you!
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The yearly holiday when men wash their {grundle} on June 2nd.
Can't wait for Grun Day this year!
The act of taking the stinky cheese from an unclean vagina and then proceeding to make a grilled cheese sandwich with it.
Can we get a quick grunning session in? I'm kinda hungry.