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An accusation that one's mother is also one's grandmother (which is technically possible).

A versatile phrase predominantly used as a greeting or insult.
John: I'm goin' out to harvest some corn

Mark: Ya mums ya nan
via giphy
by Dr. Yuwar Grabbinmabube December 05, 2020
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Apr 20 Word of the Day
A term used to reference cannabis/marijuana/weed.
This Jazz Cabbage got me zooted. Jazz Cabbage is less harmful than Squares. I’m smoking that Jazz Cabbage boy.
by Gypsiehood97 December 30, 2017
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