Top definition
An overweight person prone to order all types of fatty foods but concludes with a diet coke at the end of the request.
She's a diet-coker -- she ordered the triple-cheese lasagna, large onion rings, and a side of cole-slaw -- and of course, a medium diet-coke.

by donkeykongdick January 11, 2008
Get the mug
Get a diet-coker mug for your daughter-in-law Riley.