s/n short for screen name as in an internet name used for talkin with freinds or family. usally therer r aim or aol s/n or yahoo sn s
i have a s/n for aim and yahoo
by monkeybutt March 25, 2005
Top Definition
used in internet slang meaning "side note"
This is a really great day. S/N: I can't wait to go to that concert later.
by T_Squar3d April 05, 2011
a name used for instant messageing . Usally aol s/n or yahoo s/n
Wat is your s/n for aim. mine is eveildude399
by monkeybutt March 30, 2005
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