gang skrape 

Where skrape is committed by more than one person within a conference call

Two british guys and one lithuanian guy skrape a fellow student = gang skrape

gang skrape by N1 motherfuckers November 25, 2009

Gangscrape 

Teaming up to beat someone up, jumping someone as a group

Yo, the avengers gangscraped that robot.

Gangscrape by wheretheweedat June 5, 2015