Splitsville Fountain Share definition Flag A sexual maneuver wherein Person A gives Person B a blowjob, leans in for a kiss, then spits the cum into Person B's mouth without warning. Laurel gave me a Splitsville Fountain last night. It was really weird, but in a way... kinda hot? Splitsville Fountain by bichasse June 3, 2016 Get the Splitsville Fountain mug.