yn or (yn) is an msn emoticon which resembles fingers crossed. people use this differently, it can either mean that youre tight with someone as in really close friends or people use it when they say goodluck.
1. girl one: i havent seen jenna in ages!

girl two: really? i saw her last night! were (yn)

2. guy one: i think im going to see if i can get an extension on my english assignment

guy two: well goodluck with that (yn)
by atlfannn October 2, 2009
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YN is an MSN emoticon resembling a pair of crossed fingers. If it is said that one person to another are YN, it means that each finger is each person and that they're as tight as two fingers wrapped round each other .
Symbolism of being good friends with someone

ME- oh , u mean 'sarah'? I no her! we're yn!

by Tamara101 February 14, 2009
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yn is often said by scene kids to mimic the msn emoticon (yn), which is a pair of crossed fingers. It doesn't particularly mean anything, except, whatever, I don't care.
Girl: Hey did you see <i>Jackass</i> last night?
Boy: Missed it.
Girl: oh yn yn.
by adam x September 13, 2007
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Acronym for "You're Not Smashing," made popular by the General Forum on NikeTalk.
Frail Poster: "Hey guys how do I ask out this girl i'm talking to in Biology?

NTer: "YNS" :lol

Frail Poster: :(

*Goes back to ISS and gets 20 pages of useful help*
by TrueshotAura July 8, 2009
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The MSN emoticon - in which two fingers are crossed.
Caitlyn and I are tight, yo!(yn)
by ihaveoneeye December 22, 2008
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Stands for "yummy nut sauce," i.e., the delicious creamy goo that squirts from the male member upon ejaculation from the nuts, aka balls or testicles. syn: spunk, jism, cum, ball juice, jizz.
It had been awhile, so when I came, it was a full bag release of YNS.
by Vanderweasel September 26, 2019
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