The state of being high. Prevalent in cannabis culture. References the tendency of the pothead to prepare for any activity (ie soccer, basketball, poker, watching tv, ultimate frisbee) by first indulging in his/her favorite pasttime.
Dick: Hey Joe, this new jam band has a song with three 10 minute solos. You wanna give them a listen?
Joe: Dude, if I'm gonna listen to that shit we need to get game ready.