Top Definition
Grombie: an unidentified grainy deposit that mysteriously appears on a glass of water left overnight on a bedside table.
Plural, Grombies
Why is my glass covered in grombies? What are those Grombies? Please someone tell me why an untouched glass will accumulate mysterious Grombies overnight?
by Jimbob_moriarty September 25, 2013

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Dirtball, homeless person, food stamps, welfare, sleezbag, dicklicker, scurvball, piece of shit, ottumwa resident
Only a grombie would steal cigarettes.
by bigballer52 November 30, 2010

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