1 definition by Googoobie

Rumbus grumbus

Rumbus grumbus is used in the show 'generation loss' on twitch and youtube .It is a word charlie slimecicle used to describe his hunger.

Charlie:what's your name?
Ranboo: ranboo
Charlie:rumbus? Rumbus grumbus? My tummy's a little rumbus.grumbus

by Googoobie June 17, 2023