Chin Strap

noun; person who wears a protective face covering, such as a surgical mask, placed around their bottom lip and chin providing inadequate protection from the contraction or spreading of a contiguous communicable virus or disease (such as COVID-19) done in either an act of rebellion/refusal or out of complete inept ignorance.

1. Chris is real Chin Strap; every time he enters the room he's got his mask on wrong. 2. I'm not going in there, there's too many Chin Straps all over the place