trump statement
To make a statement with no evidence to backup your claim and then ignore requests for evidence until it goes away. Also allows an option if caught out, to pretend you never said it. If evidence is produced, ignore it until it goes away.
(Man 1) Global warming is cased by dolphins. (Man 2) That sounds like a trump statement... what proof do you have? (Man 1) What are you talking about? (Man 2) You just said global warming is caused by dolphins? (Man 1) I never said that. I would never say that.