Definitions by 931-598

theta pi 

these girls may be fat and drunk all the time, but they have more fun than you (even though they don't remember). if you want a drink or a hookup, they will be down for both.

also know as "potato thigh" "theta pie" "theta cry" "tater pie"

fratlord1: i need sex tonight
fratlord2: there's a theta pi, she's definitely DTF.

freshman: she's cool, she's a theta pi
freshman2: you mean fatty fatty, lots of friends?
freshman: yeah, basically.

theta pi by 931-598 May 4, 2008