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for whatever reason when your penis is semi-erect.
i was makin out with this girl last night when i got the chubs.
by the shit, bitch August 23, 2009
A half boner
"When youre girl cant fully get you up, you get the chubs."
by bertocci June 09, 2009
Short for the physical condition, chubby. When one is slightly overweight, but usually just cute. This condition is more prevalent in one's childhood, but can last an entire lifetime.
Mckenna: "Man, I was the chubs!"

Morgan: "Aw, but you were so adorable!"
by ridonkdonk July 23, 2008