Mordecai: Yeah, it only took a couple of drinks before I made her my bitch scarf.
1. Similar to 'asshat', but slightly more crude;
2. A scarf for bitches;
3. A bitch that is worn as a scarf (legs around the neck, possibly).
Ryan: You goddamn bitchscarf, you went without me again!?
Michael: Don't tell me how to live my life.
Ryan: I'm taking you out of my will.