1 definition by metman85

Top Definition
IM
noun.
1. a message that is sent over an online messaging service

verb.
2. the act of sending or receiving a message over an internet service
1. I sent an IM to Tommy to tell him about the party.

2. Eugene IM'ed me to tell me about his lame party.
#technology #messaging #talking #society #conversation
by metman85 October 30, 2005
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