Taradiddle \ tar-uh-DID-l \ , noun;
Informal . a small lie; fib.
Informal . pretentious nonsense.
Taradiddle builds on the term diddle , "to cheat or swindle" or "a deception," however, the origin of the first element, tara , is uncertain. It entered English in the late 1700s. dictionary.com
~What a fun word! It sounds vaugly dirty, but can be used in public without appearing to be a potty mouth. LOL
Let's see, using it in a sentence...
"Geez, Lily, it was just a taradiddle. It certainly wasn't a whopper of a lie, heck, it doesn't even really count as a white one."