Definitions by Nigger thug

mopping the grass 

used to describe somebody who is incredibly high, drunk, or both beyond all fucking repair. Typically used when someone starts doing stupid shit as a result of being super fucked up.

Friend 1: we just got to this bitch and jimmy's already mopping the grass.
Friend 2: yeah man, one more hit and he'll start raking the kitchen.

mopping the grass by Nigger thug June 2, 2018