To Use "The Dude" on some one - to invoke the word "dude" when
referring to someone directly in an (often last-ditch) effort to relate
to that person on a less formal or "guy to guy" level.
Ex. 1.: "Then, I used the dude on him, but he still didn't get it?"
Ex. 2.: "I used the dude on him. I said, "hey, dude; that's weird."
by Aaron R. Wunderlich, John Raymond September 29, 2003
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A common expression when someone is witnessing a gross, disgusting, revolting, or generally displeasing or uncomfortable action.

1st Dude: "Not Cool," a warning to the person starting the action
2st Dude: Rising anger, starting to understand what is happening
3rd Dude: Total outrage and bafflement, shock at what is taking place.
Kevin: Hey, I gotta show you something...
*starts unzipping pants*
Brad: What? Dude, DUDE, DUDE!!!
*Kevin pees on Brad*
by Artemis Google October 27, 2006
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Manlove, gay sex, love between two men (typically homosexuals).
"Richard Simmons loves it 'Dude On Dude'."
by Jaburoma August 13, 2006
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Jay from the Kubz Scouts.
Person: *goes to a video with Jay in it*

and comments "that dude sent me"
by FifthArrow11 August 12, 2017
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n. (Your Dudness or His Dudeness or Her Dudeness) title used to establish one's ultimate position in the "dude" hierarchy, "Dudeness" being the ultimate ruler of all or at least most other dudes.
"Dudeness over there is sendin' you the googly eyes."
"He's sendin' the googlies?"
by manlymanlyman July 25, 2005
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Very frequent using of 'dude'
- Hey dude! How is it going dude?
- For goodness sake, stop duding all the time
by mrttrml August 24, 2011
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