Top definition
a nice way to say someone is fat or a fatty
A:hey whatcha eating
B: dude im working on my third big mac
A:what of the week?
B: no of the day!
A:wow what a chubbamuffin
or
A:i dont feel so good man
B:why? you ok man
A: i dont know man i was feeling like a chubbamuffin and a gallon of ice cream.
by C-dizzle nizzle December 07, 2009
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