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15.
an excessively used term by the teens in mississauga describing something as "cool" or a shorter form of saying "understood" but in that hip, cool, and trendy gansta way.

also used as an expression (by the idiots in mississauga) of surprise and unexpectancy.
tim: "yooo check out my new tim's!"
sam: "YO! thats SEEN."

or

ian: "yo go play risk in my basement later, seen?"
david: "seeeeeeeeen."

or

*kristina spikes the ball and scores the winning point in the volleyball game against woodland*
tim: SEEEN! *jaw drops*
by timm February 05, 2005
 
1.
a term originating from Jamaica that shows understanding....that one has "seen" what you just said.

Or is just as often used as a question (instead of "know what I'm saying?" or "know what I mean?")
"Smoke this sensi and you'll get lifted--no joke, ..don't check it with no lightweight stuff --seen?"

"true, true -- yeah man --seen."
by SG June 29, 2004
 
2.
to mean to understand something
"Yo blud where u at?
"Im at yard blud"
"Oh seen"
by Alex April 14, 2004
 
3.
seen = "oh i see"
pimp: "you better have my money bitch!"
skank hoe: "you know i got your money but i left it at the crack house"
pimp: "oh seen"
by Cypher October 13, 2003
 
4.
to acknowledge something.
#1: we're gonna chill at my house after my dad dips, seen?
#2: seeeen
by -[omar]- September 23, 2006
 
5.
it is a response you give when someone tells you something. it means i see or yeh i understand.
person A- no i only went to the park to walk my dog
person B- seen
by flare ov da H.U.D January 02, 2006
 
6.
A infamous New York graffiti artist that tagged up the subways. His tag would always be SEEN.
by wAsTe November 04, 2003
 
7.
Reading acknowledgement on facebook chat.

When the person you're talking to click on your name and hypotheoretically read the message you sent her, a small logo "Seen" appears under your words.

It has been the reason of a few breakups, suicides and uninvited sexual intercourses.
Justin Bieber - 12:07
Selena please...

- Seen - 12:08
by Choupi November 28, 2012