When you wrap both of a girls legs around her head during sex then begin harpooning her with your love sword, a relentless vicious assault, mercilessly laying siege until either the sex position is lost or an intervention is made.
I was ready Saturday night for a threesome with my boyfriend and my best friend since grade school. I couldn't wait to taste her and have my boyfriend watch us and then join in. But that homo said he wasn't interested. He's such a Threesome Thwarter!