To pass out and take a disgustingly sweaty nap/ rest.
Friend: Hey man what did you do yesterday?
An Intellectual: I fucking schlumpt all day.
by Heat Mieser February 15, 2018
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when you high/drunk or even sober, you lean wayyyyyy back in ya chair you just all chill
person 1: Bro are you about to fall asleep?
Schlumpt mf: nah fam just Schlumpt af
by suh bih April 19, 2016
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