Lyric discussion by Elimination 

No... it's not about weed. Heh, you guys are all wrong. This is the meaning, according to Dime:

"That song is about a lifetime of dealing with people that you can't tell what they're really comin' at you for, or what their motives really are. You've got to drag the waters to get to the bottom and find out the truth."

An error occured.