Getting with someone that your good friend has already got with, in the same night.
Person 1: "I got with Jeromeo last night"
Schlie: "HEY, so did I..."
Person 1: "Dude, you totally schlieman crushed me!"
When you get off with more than 6 people in one night. Classy.
Person 1: "How many people did you get with last night??"
Person 2: "Well..let's just see I got a schlieman flush"
When you're in a swimming pool etc. and you snot a water boogie. Pleasant.
A pool in zante...
Person 1 : "ohww you've got a little schlieman schnot"