A chubby girl who if it weren't for her girth would be very attractive.
"Yo, is that chick in your Econ class cute?"
"Kinda, but she's a total chunkster."
"Who cares dude! Tap that shit."
one who's extreme cellulite forces you to throw up any contents you may be holding in your stomach
You're such a fucking chunkster! I wish you would stop wearing short shorts so I could have my appetite back.