1 definition by mscdex

The call of a wookie, usually in distress.

In modern conversation, it is designed to be used by one who is distressed about what someone has messaged you. Or, if someone says something foolish to you.
<User is busy and multitasking>
<Friend> Hey, want to hear a funny joke from this forward I just got???
<User> !WK!!
by mscdex November 15, 2003
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