1. a half-pakistinian half-asian person; can be associated with a rice-hat on top of a turban and/or a rice-hat made of turban material/toilet paper.
2. may be used as an explanation for a person with unknown origin/background
(1) "look, a pakistasian is standing by that lightpost"
(2) Mike - "Danny, what country are you from?"
Joe - "Dude, he's Pakistasian..."