When you completely shut down someone who has no clue of what they are talking about. It is derived from the nickname of the current president of Botswana who gave a very good speech about the recently lifted elephant hunting ban in the country.
The act of making something shitty or horrible. The act of ruining/damaging something. Used instead of the word ruined or fucked up. This word is used to emphasis how bad things got, the Kitchen table wasn't messy, it was shitified.
Who shitified my car!
Your sister shitified my day.
My dog shitified the couch, we threw it away.