Stands for "welcome to my kill file." An expression used to announce that you added a filter to automatically block (kill) all correspondence from a certain user. Heard mostly back when Usenet was the primary place for online discussion.
annoyingdouche26: hi, i'd like to introduce my new product to all you here in this discussion group.
by Jake67890 May 31, 2009
The Urban Dictionary Mug
Can you define these popular missing words?