malcom:hey joey what are you eating seems delicious  joey: mmm nothin man  maclom: a dog with peanut butter huh  joey: [chewing] huh  malcolm: [laughter]
when someone chews for no reason even though they're not eatting
"malcom:hey joey what are you eating seems delicious  joey: mmm nothin man  maclom: a dog with peanut butter huh  joey: [chewing] huh  malcolm: [laughter]" What is the definition of "a dog with peanut butter"?