That which is functional for dykes (of the lesbian persuasion) where males are considered virtually useless.
Wife kicks husband out, brings in lesbian lover. The two woman have a dykfunctional relationship.

A woman uses a vibrator on another woman - the vibrator is dykfunctional.

Dykfunctional Marriage - a legal union of two women.

Dykfunctional Home - a home with two mommies and no daddy.
by flickertongue April 5, 2011
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