Top definition
A strict diet consisting solely of protein designed to quickly loose those excess pounds. This version swaps tasty steaks for clammy man juice.
"No way, Dave. I'm not sticking that in my mouth again! Now let me out, I'm starving!"

"Shut the fuck up, Posh. You know you're on a man-fatkins diet! Now swallow my load and stop being a whiny bitch"
by Burro's Dead Nan August 13, 2007
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug