Grubberson 

Someone who takes part in the act of grubbing (i.e. chowing down, munchin, eating)

Yo my boy Simon is a grubberson, mans is goin to town on that Fil A right now

Grubberson by DJ Fat Cock April 24, 2021

Grumperson Jones 

An extremely grumpy, cranky, or unhappy individual.

Watch out, Greg is a Grumperson Jones today!

Grumperson Jones by Emily Jones-Parker July 28, 2010

grunderson 

What little white kids call their overweight parent or parents

My mom is such a grunderson she cant fit through the doorway.

grunderson by veemason April 4, 2016