A message sent on an IM client while the other person is offline.
I sent my boss an offliner, I hope he gets it on time.
by Vicrum December 19, 2007
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One who has yet to embrace the use of IM, microblogging, commenting, etc. as a means of communications and "social" relationship building.
My friend isn't on Twitter yet. Total offliner...
by juicecowboy August 19, 2009
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Used in business to describe communication outside of the normal channel, or defered to a later time.
Durind a discussion with a large group of people, an issue may be "taken offline" so that it can be discussed by a smaller group of people at a later time.
During a conference call: “This discussion doesn't pertain to everyone here, you and I can take it offline.”
by nickadfghjkl October 22, 2008
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Commonly misused to mean online, ie from the internet, when, in fact, they mean the exact opposite.
I bought my new computer offline.
I met my boyfriend offline.
by Neil Roberts April 05, 2005
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when someone you are talking to online on facebook chat or msn etc goes offline in the middle of a conversation without saying bye.
cheers for offlining me dude!
by dramaqueen94 March 31, 2011
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The act of signing offline immediately upon being sent an instant message by someone you don't want to talk to. This can also be done abruptly in the middle of a convo as if to say "piss off, I'm done".
Dude #1: "Yo, that really annoying chick is IMing me again! what should i say?"

Dude #2: "Nothing, Offline the bitch"
by Sir Edward Heavypants August 13, 2009
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