When someone is so fucked up from a variety of drugs that they become immobile or it becomes extremely difficult to move.
Yo that nigga schlumped off the oxys and that Killa kush bro.
by bootyhunter9686 October 13, 2016
Yo Ima be extraa schlumped after doing this Precal Hw.
by K.iverson January 31, 2017
Crouched over in an old ass fashion
That dude was so drunk he schlumped over
by Spazzydizzle March 07, 2014
The action of being so bored that you have slumped over in a chair.
She gave me head last night that was so relaxing, that i schlumped.
by @slumpful May 07, 2017