Fu-what 

When you're singing a song and the word "fuck" is about to come up only to get bleeped and disappoint you.

My Chemical Romance- Blood

(you singing)
A celebrated man amongst the gurneys.

They can fix me proper with a bit of luck.

The doctors and the nurses they adore me so,

But it's really quite alarming cause I'm such an awful *bleep*
(You start screaming)
Fu-WHAT!!! What the fuck was that.

Fu-what by WritterKnownAsAnonymous July 8, 2010

What the Fu-Why 

A phrase used the express suprise or disgust over a situation without trying to sound informal, insulting or obscene. So intead of fuck say Fu-Why

"What the Fu-Why"said Asli " I thought I had submitted this homework"

What the Fu-Why by ChidexAustine January 15, 2020

what the fu--

A half censored version of saying Fuck as in the Tom Holland Spider-Man films

(After Peter Parker swings in his room at his apartment in Queens)

Aunt May: What the fu--?!!

Or

Quentin Beck/Mysteryio: Spider-Man's real name is Peter Parker!!

Peter Parker/Spider-Man: What the fu--?!!

what the fu-- by King Slappy Inf3rno! September 28, 2019

my man what the fu- 

the time where you aren`t in a situation and feel like my man what the fu-

you see a guy fall out of nowhere you say my man what the fu-

my man what the fu- by redditor_idiot February 27, 2022