Top definition
This term is used when there people crowding you when you would like not, so you use this word- GRUMBLEBUMBLE - following another word that you would like. This will make people leave because they won't know what to think.
Person-John, lets annoy this fat kid! Okay!
other people start coming over
You-Grumblebumble- Dinkdawtear
they leave
by Bjarnyie Dot Com June 28, 2004
Get the mug
Get a Grumblebumble mug for your boyfriend Manafort.