Top Definition
Knocking off work half an hour early (for example, at 4:30) to get a drink. Usually on a Friday, but usable any day of the week.
Co-worker: Hey, did you see the e-mail I just sent?

You: Sorry man, it's pour thirty and I'm ready to get my drink on.
by Celticboy6 February 13, 2009
6 Words related to Pour thirty

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