Top definition
When you drank that acid instead of water you hit FIUX (level)
*croaks in response as he has no vocal cords anymore*

or can be used to describe a situation in which you royally fucked up...
"Wait, you mean the midterm was today? I just FIUX'D"
by JUBIQUEENS October 04, 2017
Get the mug
Get a FIUX mug for your dog Larisa.