SOIP
Sex Over Internet Protocol - the process of meeting and dating people using web sites or chat rooms.
He met her through SOIP, apparently. She turned out to be a bit of a bunny boiler.
Soip
The onomatopoeia used for the sound one makes when rapidly drinking milk and cereal from a cup.
Because she was in a rush, Sarah poured her morning cereal into a cup and downed it with a soip.