Verb; the act of smoking marijuana but still being able to carry out your daily responsibilities.
Man that guy sure is a stoner, but its okay because he schlief's.
by TheShocker6 December 01, 2009
The are of sticking your foot up a woman's butt, also called "Footing"
It felt so good when we schliefed.
by Lkatmeintennisee May 12, 2011