Delicious snack cake made from steam and sugar. First made by Kevin Grumbles. Rumored to be the dessert of choice for liars and thieves - and those people go to prison. (Just ask The Cheat.)
"I'll give you half a Grumblecake if you say something smart."
by Wubbzy February 19, 2004
A term used by Strongbad. They are in competition with "The Cheat Cakes". The slogan for The Cheat Cakes is "Only liars and cheaters eat grumble cakes, and those people go to prison. Just ask The Cheat!"
"I could kill for some some delicious grumble cakes right about now"
by Brett Himself May 29, 2006