highdentity 

the personality that a person takes on when they become high

in real life he is an average joe with a 9 to 5 job, but after a few bowls, he takes on his highdentity as a super genius.. to himself at least

highdentity by JWBKarona August 8, 2011

Mistaken Highdentity 

when someone is assumed to be high because of their ridiculous antics or blood shot eyes.

"i thought my roommate was smacked yesterday when he ate a dozen donuts but it was just a case of mistaken highdentity"

Mistaken Highdentity by twigley x baby June 16, 2009