The evil witch from Banjo Kazooie and Banjo Tooie. Tries to kidnap Banjo's younger sister in Banjo Kazooie, and when foiled, comes back for revenge in Banjo Tooie.
by alexanspaugh July 05, 2005
Get the Gruntildamug. Taking a shit and/or diarreah on a girls' head and then rubbing the excrement-covered cranium on the floor like a broom.
Yo I totally gave Dereks' mom a Guntilda last night.
Aw shit Norma wanted a Gruntilda soo bad, but i gave her a piledriver instead.
Aw shit Norma wanted a Gruntilda soo bad, but i gave her a piledriver instead.
by dfreshhh October 24, 2008
Get the Gruntildamug.