When you have children and then regret it instantly.
iv dun fucked
When you acknowledge that you made a pretty bad boo boo.
I think I dun fucked up in making this tv.
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.
(verb) means you fucked up real bad and you are asking for the ass-whoopin of the century
"I set my cereal on fire!"
"You dun fucked up!"
John: you dun fucked up my masterpiece!
Jason: Sowwy I fucky wucky.
Normal guy: 👌?
Jason: ya dun fucked up