when a communication breach occurs during an IM (instant messaging) conversation, resulting either in silence, or a string of misdirected and often passive aggressive replies.
Joe235: i really like dick
Jane52: that came out of nowhere
Joe235: what do you mean? i decided the other night
Jane52: to each his own
Joe235: wait...what? you don't like him? but...you introduced us
Jane52: ahhh right, my buddy richard...this has all been a big IMisunderstanding