To get moded, told so bad that there's nothing you can say in your defense, be put in your place, or be embarassedlike when you trip and someone sees you.
To disprove and/or embarrass by means of scientific proof or otherwise. Sometimes, but not always accompanied by "Witness!", or at least one or more people witnessing the clown.
A mysterious clown that has been giving residents in Princess Diana's home county of Northamptonshire the heebie-jeebies. Showing up at random places at random times in complete scary clown outfit, it is a mystery who, why, or where this clown comes from.