mud wings 

Mud wings are earnt the first time you have anal sex with a chick.

I just got my mud wings last night when I nailed this hot chick in the ass

mud wings by NotMeNotYou May 14, 2010

mud wings 

The first time you have anal sex in a pool (or underwater). The name comes from the combination of brown dirt and water being mixed together.

Did you hear Jimmy got his mud wings on the weekend?

No way!
Yeah, totally did her in the ass in your pool.
Errrr, yuck.

mud wings by FozzWossie October 31, 2011