A "Mobbeating" is a common usage among peers and is an attempt to beat the living shit out of one of them. A mobbeating involves a "mob", commonly comprising of 4-5 people, beating one person on thier own when they have pissed off the mob.
JORDAN "Oi, cockend, i hate you."
PHIL "MOBBEATING"
JORDAN "No please, its not my fault im a slave."
The act of motor-boating while moaning a song with your tongue out.
Guy #1, " I was moating this girl last night to Katy Perry's "Teenage Dream" when she yelled at me for getting slobber all over her..."
Guy#2 "What a bitch.. I love that song."