look up any word, like ratchet:
Wearing unintelligent jewelry
Seriously dude? Wearing a 24 carat gold chain with your hoodie? Stop dumbling...
by ju13s January 19, 2012
a gentle, endearing, insult for someone, in a temporary state of unintelligence, causes mild annoyance or frustration.
Neeharika starts eating dumplings with a fork and knife. "Neeharika, don't be such a dumbling."

Samiksha suggests that New York life is better than San Francisco life. "Dude, that's such a dumbling thing to say!"
by pkmax October 19, 2014