A simple phrase that you can say to someone that has made a retarded mistake.
Oh my god Blake, ya dun fucked up, your mom will be so pissed with you.
by NoHomo123 November 07, 2019
Get a ya dun fucked up mug for your daughter-in-law Julia.
When you acknowledge that you made a pretty bad boo boo.
I think I dun fucked up in making this tv.
by Fizznut909 December 25, 2016
Get a I dun fucked up mug for your cat Paul.
(verb) means you fucked up real bad and you are asking for the ass-whoopin of the century
by FaCe October 29, 2003
Get a Dun Dun fucked up mug for your cousin Günter.