2>a set standard of required cuteness, intelegence and overall amazingness of a person.
dude 1:whoaaaa look at her
dude 2:cat dapurdyyyy
dude 2:in other words "hott ass mutha fucka"
dude 1: i met this girl last night, shes cute, funny, sweet, and really hyper
dude 2: pffft i bet shes no cat dapurdy