1. An exaggeration or magnification of a problem, issue, statement, finding, facts, estimation or result.

2. An attempt to deceive others by making something seem larger,better,worse or more important than it really is or needs to be.

3. Such conduct was developed or at least perfected by the 45th President of the United States, Donald J. Trump.

Doubling down on a proven lie and repeating it until can't be excluded from conversation.