Parity, a way of saying that something is similar to a parrot, usually by looks but can be by other means, if something is only slighly parity, or a bit parity is can be referred to as a parity bit.
Guy 1: I got a pet budgie.
Guy 2: Budgies are quite parity.
Guy 1: I need some toilet roll.
Guy 2: That's not parity at all.
Guy 1: I got kicked by my eagle.
Guy 2: Thats a parity bit