What is Yankin' My Dick?
1.
Most often used as a question in place of "are you kidding me?"
And normally used when irritated
For example:
Baker: "Sorry I can't make it over tonight, I've got some stuff to take care of."
Wayne: "You yankin' my dick bro?!"
See 
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1. 
The ficticious, mysterious person who leaves several beer bottles half full around the house during a party, only to have them found the..