Top Definition
Approximately 3 am when two people who met at the bar should be hooking up and not engaging in idle chatter, otherwise its time to go to bed. Especially applicable on a trip, where multiple dudes are sharing a hotel room and your buddy needs to get down or the barfly needs to go home.
The donging hour has arrived, Jeff needs to close the deal or that bar skank needs to go home.
by Tomasina May 13, 2008
5 Words related to Donging Hour

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