swapp weed 

marijuana that is of lower quality similar to brick weed

bro i don't want that its some swapp weed

swapp weed by king mikia November 22, 2013

Swamp Weed 

redneck/southern term for the smell of dirty Bong Water

Oh lawd that boy smells like straight swamp weed!

Damn, you need to change the water in this pipe, it smells like swamp weed.

Somebody knocked the bong over and now it smells like swamp weed in here.

Swamp Weed by shorty419 March 8, 2011