Roushing

Latin - verb - to roush - Someone who is in a committed relationship and breaks the trust of his or her partner by getting physically or emotionally involved with another person basically cheating. Common forms of roushing include kissing, feeling each other up, vaginal, anal, oral sex and any other contact that involves the lips, hands, and genitals. Emotional roushing invovles forming a close bond with someone of your preferred gender and basically forming a second relationship. This may or may not include physical roushting.

My GF stopped twisting at the top mid BJ and eventually we stopped fucking altogether. I am pretty sure she is roushing my best friend.