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)