falsalto 

An unnatural or unusually low-pitched voice, esp. a woman or young child trying to sing like Pavarotti

When your 5-year old boy sings: "You were born... loooong ago, long ago, long ago, loooooooooooong ago," in falsalto, attempting to sound like a famous opera tenor or alto in order to taunt you

falsalto by MarielleCB October 13, 2008

falsalto 

–noun 1. an unnaturally or artificially low-pitched voice or register, esp. in a young boy or woman trying to sound like a man
2. a person who sings with such a voice.
–adjective 3. of, noting, or having the quality and compass of such a voice.
–adverb 4. in a falsalto

Young Ethan was running around the house taunting his mother singing, "You were born, long ago, long ago long ago looooooong agooooooo" in his falsalto.

falsalto by MarielleCB January 20, 2009

Falsatory 

Absolutely not true!

Something without a doubt that is unbelievable.

Brittney was falsatory when she said I didn't fill in my time sheet, she just lost it.

Falsatory by Msmile October 21, 2020