Define Falsehood Meaning

Quit saying that you don't color your hair, that is a falsehood. People in Beverly Hills are so phony, I wouldn't want to live in that falsehood.

*debate time*
Virgil: your mom is preposterous

Thomas: ok lets leave the moms out of this considering that neither of you have a mother.
Virgil: if she did exist, she’d be preposterous and pointless
Logan: FALSEHOOD!!!

Person 1: Oh my god, people won’t shut up about Harry Potter. It sucks!
Person 2: FALSEHOOD