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a name given to a person of whom knows you but you can't recall his name to save your life. portmanteau of What's Up + Dude.
SupDude: Hey Hey Hey Mike!

Mike:Hey........ SupDude!

Later...

Amanda:Who was that?

Mike: SupDude.
SupDude by AgentSakur9 March 1, 2010
Words you can keep
Noun: Refers to an acquaintance, FaceBook friend, classmate, work associate, indirect friend, (e.g. a good friend's friend), or any individual not quite within the realm of closeness required to be deemed a "real" friend.

Coined from the "sup dude" slurred toward supdudes when passing by since there is simply no other interaction or common experience worth sharing.

*Supdude is a completely subjective term such as "friend" or "brother." A supdude to one could be a friend to another.
"How was the party?
"It sucked it was just me and a bunch of supdudes."

"Who invited all the fucking supdudes?"

"Is that your friend or just some supdude?"
supdude by Miley Coyote September 29, 2012
Related Words

Sup dude 

John: Sup dude, how’s it going
Andrew: Good, how about yourself
Sup dude by John Kennington November 11, 2020
Adj., when someone generally known for dudeness seems or acts tired, down or dull; less dude than usual
What's up with him?

I don't know, but he's pretty subdude, like his dog died or something.
subdude by Shiny Rider January 4, 2011

sup dude 

the only way to properly greet someone
sup dude by niggerguy^^ June 19, 2011

SupDudeLater 

When you see a homie you dont like and u have to say whats up to them because u already met eyes.
Jon- hey whats up frank

Frank- SupDudeLater...
SupDudeLater by Dave Shmederburg December 22, 2008

Sup dude? 

When you and someone else are in an argument, and the other person says they are better than you (scored more goals in a game, got a better grade, etc.) and you tell them you got the better grade or what not, adding on the end, "sup dude?" in a nonchalant manner, just to rub it in.
Jake- "Hey man, how'd you do on the test last week?"
Mike- "I got a 95, how'd you do?"
Jake- "I got a 98, sup dude?"
Sup dude? by Supdude93 April 21, 2009
More from Urban Dictionary

Salad Days 

green inexperienced youthful judgement and cold blooded execution of those judgements.

Rashness with little concern of consequence.

Antony and Cleopatra. William Shakespeare

"My salad days,
When I was green in judgment, cold in blood."

- William Shakespeare, Antony and Cleopatra, 1.5
"How did you end up in jail?"

"Salad days, 'nuf said."
Salad Days by GilbyRFC0 October 7, 2011
Word of the Day on August 28, 2026

age gate 

An absolutely foolproof way to keep minors from viewing content deemed "too mature" for them to watch.
Billy: "So I was trying to watch some videos for an M rated game, and I ran into an age gate, so I put in my real birthday. SOMEHOW it managed to figure out that I am 12. CURSE YOU AGE GATE!!!"

Bill: "Fucking age gate! *quick scroll* THERE! I was born on January 1, 1904. Fuck you age gate."
age gate by Banja January 7, 2011
Word of the Day on August 27, 2026

board chow 

A)
The Crud that collects under the keys in a keyboard. Usually more severe in the keyboards of programmers and webmasters as they tend to spend a lot of time at the the computer and thus eat at their desk. Mainly affecting IBM Model M (clicly) style boards.

B)
Can also be used to gross out Non-Techie people
A)
Bill: want to go to the club?
Bob: No, I've got to clean out my board chow, keys are starting to stick.

B)
Bill: Want to go out to get a bite?
Bob: No, i am just going to have some of my board chow/
Bill: Whats' that?
Bob: The food scraps that collect in my keyboard; Want some?
Bill: *GAG* *HURL* *GAG*
board chow by BinaryHackerMan September 3, 2007
Word of the Day on August 26, 2026

young pup 

a young person, a young adult in their late teens/early 20s.
Ah, you're just a young pup at 23!
young pup by the dog May 30, 2006
Word of the Day on August 25, 2026
West Midlands slang word for rockers, bikers, greasers etc. In the late 1980s it was used by the UK music press to refer to a specific scene centered around the bands Pop Will Eat Itself and Crazyhead. The term never found favour with readers of 'the inkies' (Sounds, Melody Maker and the still extant NME) and was soon dropped. Now often used in predominantly working-class areas of the midlands and the north to mean someone who listens to rock-derived music and/or dresses in a manner that suggests they affiliate themselves with rock music of some kind.
Some grebo passed with Sabbath playing on his stereo.
The Poppies are at no. 17? God, a grebo band in the charts!
They're playing nu-metal now, bloody grebos!
grebo by cactuscat September 15, 2006
Word of the Day on August 24, 2026
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