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2.
A combination of dish rag, rat face, and Melissa, all used to indicate the same thing.
Ohmagawg Melissa, stop eating that cheese wheel, you're such a dish rat!
by Sashachka October 31, 2010
 
1.
adj.

a) someone who washes dishes for a living, in a cafe / bar etc.

b) term meant to be used as an insult.
a) Tony= "Man I fucking hate being a dish rat at the local pub. It's shit pay, and I come home smelling like shit"
Anothony= "Make your job sound better, call yourself an "Underwater Porcelain technician"

b) "Dude, your a fucking dishrat. Go use your n00b tubes some more.
by Xx5ilentNite September 21, 2008