rich slapping

Hitting someone in the face with a erect penis

Steve was rich slapping his wife

Rich-kid slap

When a person uses one's electronic device (usually iPhones, iPods, Tablets, etc.)
to slap another person across the face.

Person 1: What's that red mark on your face?
Person 2: I got Rich-kid slapped with an iPhone today.
Person 1: Oh yeah, I can see the home button imprint.