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1.
A mispost is an embarrassing, accidental post in a chat. It varies from pressing Enter too soon and having an incomplete post, to accidentally posting the wrong thing to the wrong window.

See also: Typo
Person1: Here's the link you wanted: (Insert something else here)
Person2: o.o
Person1: Oops! Mispost >_>
by Wahovipab March 24, 2010