Top definition
1. The designated time of the evening in which everyone at the party is no longer wearing pants.

2. A sex bungalo of a DJ on CJMQ 88.9 radio.
Yo brah I was kickin it at this partay and it was all afterpants up in there!

or

Dang, that afterpants is a piece of sh*t.
by bazookaradio February 01, 2006
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