to mutter, mummble, or talk under ones breath.
max: hey jimmy whats up?
max: dude dont grommel speak up!
jimmy: I said.. not much you?
by pentione February 05, 2014
Get the merch
Get the grommel neck gaiter and mug.
"Hey, have so seen the new Walter and Grommel?"
"Da, I like when he said 'Got chese?', haha"
by NotPeterCrouch July 15, 2020
Get the merch
Get the Walter and Grommel neck gaiter and mug.