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Co-worker who wanders the hallway throughout the day, stopping by to interrupt others from their jobs. Oftentimes, the office slackie will strike-up conversations about ambiguous things, typically with no point (see time whore). Also known for walking up on conversations that are in progress, and will proceed to insert himself into the dialogue.

Not to be confused with a door bore, who mainly strikes in the morning.
β€œHi honey, what did you do at the office today?”

β€œToday, I created a spreadsheet to track the number of times John came into my office to talk about nothing. Twelve times today, he such an office slackie.”
by Line Drive May 02, 2007
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