1. the disgusting particulate matter, consisting of dirt, dust, and hair that accumulates in the water cup of a beirut/beer pong game, especially games held in a college dorm room, where schlaank is particularly common.
2. Anything that has the disgusting qualities of schlaank.
1. "Loser (of the game) eats the schlaank!" (highly unadvisable).
2. "Yo this meatloaf tastes like schlaank."
a adjective used to describe something that is awesome to extensive amounts; it is a very high honor is to be considered this, as not many reach this level at anything.
Nate: "Yo im so glad we got high before getting drunk and going to the movies, my night got so much better!"
Hank: "Yea man it was totally Schlampus!"