Top Definition
When a person talks to you on IM and he suddenly does not reply for a certain period of time without saying brb, peace, bbl, etc.
Yo bro, I was talking to Robert on AIM about basketball, and when we got to the topic of prom, he suddenly pulled a Zack on me.
by Master Showman October 13, 2009
5 Words related to Pulled a Zack

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