Top Definition
When you sign into MSN messenger and a person who you don't want to talk to starts chatting to you while appearing offline
Jim; oh thank god Tim isn't online, i owe him some money and it's really awkward now.
Tim (appearing offline); Hey man wheres my money! you said you would pay me by now...
--Jim is offline--
Jim; damn he just MSN Ambushed me
by The 456 May 18, 2010
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