The phlegm you cough up.
From Mancunian English: Cor! Check out 'is groz! 'uge, it is!
by Mancunian Candidate March 9, 2011
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A definition of a very large poop.
1. You know it was a good shit when you come back and your screensaver's on.
2. Man, I had the longest shit today at work. my legs went numb
by Malachite Kell October 8, 2004
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When someone pulls out last minute or says they'll will come but never comes
He just popped a groz on us
by Judennn May 27, 2017
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beyond gross.

another way to say pretty gross.
when i see 2 guys kiss, all i said to myself was damn thats pretty groz man
by Jwords April 27, 2008
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