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adjective. often used to describe a persons appearance in decoration of lower social status. unclean, messy, bummy, greasy, soiled, grungy, "junk- boat"

Originated - Fall River, Ma
i would never let such a "grummy" looking individual watch my kid.
by Bunny & Jmac April 15, 2011
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2
Something that is dirty, and a little bit greasy. Nothing discolored unless it is slightly brown/green. mostly used for people.
Oh dude, you f*cked aleesha?! she is so grummy!
by Jadeshadow August 07, 2003
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3
when something is great and funny. is used on those days when you cant talk.
wow!! That movie was so grummy!!
by LiNkIn ChIk April 09, 2003
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