grum grums

Usually Pajamas. can also be raggedy clothes. Comes from the "grungie" look that the clothes give the person.

Example:

*mother* "Change out of your grum grums dear. You look most unpresentable.

by One_less_fool February 10, 2010

grum grum

grum grum is a multi weight ufc champion and works for wwe and is known to be immortal from russia and ireland

"wow, grum grum

by grumlover220 July 14, 2021