Definitions by DasWxMan

Dirty Sham 

A drink only found at McDonald's from a special request: Half Shamrock Shake and Half Chocolate. Very tasty. Originated in Wisconsin.

Person 1: Hey, where do you want to eat tonight?

Person 2: Let's hit up McDonald's and get some Dirty Shams.

Dirty Sham by DasWxMan April 17, 2013