What is Triple-dog-dare?
1.
The superlative
Rodney: I
dare you to watchC-Span for two consecutive hours!
Basil: Well, I
double-dare you to watch C-Span for two consecutive hours!
Rodney: Well, I triple-dog-dare you to watch C-Span for two consecutive hours!
2.
Note: The infamous Triple-dog-dare is infamous for the sole reason that you cannot back down from it--without exception! An issued triple-dog-dare has no counteraction and must be implemented and/or carried out.
Ever seen the movie "A Christmas Carol"? Enough said.