Girls who have larger body parts. Like their booty and boobs.
Bro I was walkin down the hall and a group of thickumz is comin this way.
by Slim_thick102 February 11, 2016
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Also known as corbin. Thickums is known for having a fat ass. He is very good at videogames and wall twerking. He takes great care of his 20 parrots and gives them goodnight kisses at night. Everyday from 5-7 he goes to the gym. Although you may be distracted by his plump bubble butt you may find his personality to be quite warm and welcoming
“Why are all the squat machines on 600lbs?”

Ah, it was just thickumz
by rawrXDloluwu April 22, 2020
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