Fing Tao is a phrase in Cantonese for "flinging heads". It's what Cantonese speaking parents called rave parties back in their party days. The term originated from the way party goers swung their heads until they puked blood. Hence the Cantonese phrase "finging until (you) puke blood."
To break it down, Fing is a verb which means to fling. Tao is a noun which means head. The phrase "Fing Tao party" means a rave. Fing Tao Squad is your rave family.
Example at a rave:
Me: OMG this is Seven Lions!
You: BRUH! FING TAO!
Example lesson by your Chinese raver parents:
Parent 1: Don't go to those Fing Tao parties or you will puke blood.
You: Aw OK mom (goes anyway).
fing fong is a person. her bestie is sam and sam likes to spew out random facts like that bison poop hardens in seven days. fing fong is a very short girl who is older than sam but still six feet shorter. fing fong disapproves everything sam does because sam likes stupid stuff, like one punch man. and technoblade. fing fong also has weird baby hairs.