A substitute for literally any word in the English language. Especially helpful when describing illegal substances, ragers, or someone within earshot.
Maerri: "Hey chumbies, check this out - when you sing in the chumby, your acoustics reverberate throughout the chumby and it's keeping me awake which makes me feel real chumby. Would you mind keeping it chumby?"
Culver: "Whoah, put your chumby on a leash."