Moroccan Handshake 

This is when you grab a person from behind (preferably buttocks) and shake it like it's a hand.

Leticia walked into the bar and saw her boyfriend's ex-wife, Victoria standing there with some male friends. Leticia walked up to Victoria and gave her a Moroccan Handshake and winked to the men. This lightened the mood for Leticia and created havoc with Victoria.

Moroccan Handshake by nycapbarista February 28, 2009

Moroccan Handshake 

When two men insert their hands one into the anus and the other into the vagina and meet in the middle

Terry and his girlfriend met Barry at the bar and used the restroom to perform a Moroccan Handshake

Moroccan Handshake by SteveMarley420 May 28, 2016