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.
When a man gets an erection, but it does not lift up. Instead it just stays there but becomes a bit bigger and less soft than usual. That is when a man is packing chub.
"I tried to have sex with this girl, but i don't know what happened. I couldn't get it up. I was just packingchub.