1. To misrepresent yourself as something you're not (usually a doctor, in such a way akin to lying.
2. One who behaves like a coward by deleting material so as not to deal with it head on
4. To act like a dick and to continue behaving like a dick despite orders not to behave in this manner
Some HiDrNick phony telling everyone he's a doctor when he really ain't got no job.
Vernan is a HiDrNick that removed the allegations in a complaint letter rather than addressing them.