flexisexuality 

Abnormal sexual intercourse:Bending of the body to perform oral sex on oneself.

Flexing the body by bending in a downward position, in order to perform oral sex on yourself; flexisexuality

flexisexuality by Candius May 14, 2011

flexisexylity 

in a multi-partner relationship, a flexibility of sex schedule.

Mary to John: Paul called in sick; are you flexisexual enough to cover his shift?

You need to work on your flexisexylity; sometimes I'm not in the mood.

flexisexylity by roflcopter_down March 6, 2009