miffed it 

You fucked up, typically causing damage of property. Generally resulting in ridicule from close friends.

My sister totaled her car, she miffed it.

miffed it by sotsirh October 9, 2016

Ya muffed it

Said in accordance with complete and utter failure.

'Well you see what I was trying to..' 'Ya muffed it.'

Ya muffed it by Alejandro Trebeck November 1, 2012

moffed it 

when you've had to many drugs and to much alcohol

oh my god that is'nt my boyfriend DAZ he's proper moffed it

moffed it by marie August 22, 2003