When someone has gone off & f*cked up on something.
Ex: Homework, a test, a relationship, realizing the regret of hooking up with your step-sis/step-bro.
Ex: Homework, a test, a relationship, realizing the regret of hooking up with your step-sis/step-bro.
It was at this very moment, Mikey knew, he dun fk'd up when he threw the mentors into the 3 Liter bottle of soda.
by Rand_omness1980 October 9, 2022
Get the dun fk'd upmug. 
by Emo fag:) March 21, 2021
Get the Josh Dunmug. by boobking43 January 2, 2021
Get the son dunmug. pronounced (doon-doon);
doing the dirty; making babies;
the act of performing inappropriate stuff aka sex
just another way to say sex without saying sex
doing the dirty; making babies;
the act of performing inappropriate stuff aka sex
just another way to say sex without saying sex
"Did you hear that? He and his girlfriend are dun dun-ing each other..."
"There are too many dun dun scenes in (insert show/movie), I had to turn away to preserve my innocence."
"There are too many dun dun scenes in (insert show/movie), I had to turn away to preserve my innocence."
by Bear_CO May 30, 2018
Get the Dun Dunmug. ‘Awkward Silence’ (Everyone is just sitting there as quite as Hell) and then there is this one person who will say:”Dun Dun Bougarabu
by Big Drish December 3, 2020
Get the Dun Dun Bougarabumug.