When a person fails at something or outright does something dumb and regrets it.
I crashed my car! I dun goofed.
You dun goofed.
by hman1223 April 21, 2018
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Dunn or Dunned means the most vulgar smell in the word and its origins are from a person's mouth that has not brushed their teeth since 2005 Christmas eve. the smell is the smell of years of tar-tar and plaque build up not too mention the years of decaying.
oi, you've been done DUNN (dunned)

you've been DUNNED up
by dunnedman May 24, 2019
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when you completely cut someone out of your life so much that they are now dead to you
Tim: hey are you gonna chill with me and Joe today?
Steven: No, you know i dunned him off last week after what he did
Tim:oh. i knew you were mad but i didn't think he was dunned off
by Hazelgirl December 28, 2009
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daintly running
Man look at those slim ankles. She must go dunning often!
by lucyfu February 17, 2013
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