When someone is so goddamn stupid that there not quite a fool and not quite a boob so they is a foob
Person B:You goddamn foob what the fuck were you thinking
Ellie Patterson: "Well, you were an accident."
April Patterson: ::Stunned silence::
Or finally admitting to your partner that yo have foobs.
Also, "foobs cost way to much nowa days. When I got foobs...".