I saw an ad for this show this morning, and they showed a lot of clips of people being slimed. I don't know if this is a regular thing, as I've never actually watched the show. In any event, it kicks off June 17th.
Big Brother has had some messy moments in the past few years. Sliming and pies in the face. A lot of the time the mess is short-lived and ruined by the use of large goggles