Meaning to be blasted stoned. Used when one doesn't want others to know what he or she is referring to. Derived from the texted face: -_- (dash, underscore, dash - hence the prefix DUD of the word duddy.)
When speaking: Dude, let's get duddy and order some grub!

When texting: I'm soooo -_- !!!!!!

either use is correct :)
by her_highnesss August 7, 2011
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When two couples decide two swap partners; foursome.
"Yah man, last night the wife and I had a duddy with Craig and Jenny!"
by ATLR August 7, 2009
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1). To be worthless and not get anything accomplished.
2). To have frequent sex with the same person. Can occur multiple times during the day.
1). I would rather duddy then go to work any day.
2). Me and my boyfriend duddied before I had class in the morning.
by mpugga12 December 7, 2010
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An old, boring, no humor, crabby, no imagination, anal-retentive person.
"Quit being such an old fuddy duddy, lighten up some!!"
by Joy September 11, 2004
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a person getting stupid from smoking too much weed ( but remember you can never smoke enough )
" he sure is getting duddy brains, he's so stupid, he should really cut back "
by X rikdogg X December 26, 2006
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Old fashioned and really out of touch person.

A great example is the famous host of the popular late night radio show Coast to Coast am and lover of scorching hot pizza rolls, George Noory
Usually people like this have old out of date ideas and are extreme prudes that are scared of nudes.
Guest: I'm so pissed
George Noory: now now you can't use such abrasive language on a show that airs at midnight!
Guest after the show: Damn you know that guy got mad about me saying pissed off? What a fuddy-duddy!
by CarnivoraPlant April 15, 2020
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