The head of your dick stays swollen and the shaft is limp -- looking like a doorknob.
Knobba Dobbis is when you have so much sex in a dry vagina your dick stays swollen and the shaft is limp
by tony mog June 18, 2009
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An affectionate insult used by close friends and family when someone does something stupid.
“What’s Obama’s last name again?”

Nigel, you are such a knobba.”
by Regality October 18, 2019
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