The act of getting inebriated then getting behind the wheel of your car and driving at a high rate of speed, risking veering off the road and dying in a ball of flames.
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
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.
Sans: Will you spare me? I thought we were friends.
Frisk: I'm sorry. Okay, I will spare you.
Sans: Finally. Buddy, I know hard it must be to make that choice. Come here, pal.