Urban Dictionary: tub-a-chub

An annoying fat chick with huge calves and spare tires for waste.

we called jessica tub-a-chub because of how fat she was.

"dont be such a tub a chub"

by john jacobson September 30, 2006

fat that gathers around your armpit, most noticible when wearing things such as tube tops.

My sister poked at my tub chub and told me i needed to hit the gym more often.