Cretin Blanket

And individual or event which detracts the attention of inferior or less desirable people away from what everyone else is doing. It's the person who hosts another party to take the school idiots away from the everyone else, so everyone can enjoy themselves without being anxious about dimwits turning up

Will: "Are you going to Timmy's party?"
George: "I want to, but what if the idiots turn up"
Will: "Don't worry, Lucy's party is on the same day"
George: "Ahhh Lucy is a total cretin blanket"

by GrumpyBint May 23, 2013