Top Definition
Fat. Obese. Big boned. CHUBBY with a O.
Lexie: Chris is a chubbo, right?
Gabbie: Yeah seriously, he needs to lay off the fries.
by OhItsLexie June 27, 2009
A female boner, or when a girl gets so turned on that her ciltoris swells in size.
"Hey alex, I just had sex with Tiffany, she had a raging chubbo."
by ThatCatPerson October 21, 2013
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