n.) One who smokes an alternative herb to cannabis called Posh. It may sometimes be found in your local 'Smoke N' Save'.
A:) Yo man, I just went to Smoke N' Save and got some of that Posh stuff you were talking about. One gram of it.
B:) Yeah, just be careful with that stuff, dude. I started on it the other week and turned into a poshhead real quick-like.