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1.)To perform oral sex. From the filipino word "Kain" (by switching the syllables - "in-ka") which means to eat.

2.)To eat a pussy or a dick.
1.)After her husband went to work, Sandy was alone at her house and called her backdoor man Doodoot Jaworski and performed enka on each other right at their own home.

2.)She's no longer attracted to her husband because her husband won't enka her.
by guzzelle November 17, 2011