1. adjective /tʃʌbi/
Obviously the chubby child was eating too much.
b) Of a body part, containing a moderate amount of fat.
Its quite normal for healthy babies to have chubby cheeks.
2. noun /tʃʌbi/
a) A chubby, plump person
Hey, Lucius, I just wanted to share a piece of personal information with you. Ive got a... a chubby right now because [starts creaming] This is one of the most awesome experiences of my life!—
b) Especially a gay man.<!see w:Chubby_culture
Wikipedia foundation.