An acronym standing for "Done Before The Kettle".

A slang term used in Manchester, England to describe the act of fellating someone in such a manner that they ejaculate before the kettle has finished boiling.

Mainly used to describe males that ejaculate in less than 30 seconds.
"Man, Dave was done before the kettle just now."

"I just did a D.B.T.K. again..."
by @iamchaoskid April 9, 2013
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