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1.
One's hot when the other's not. A relationship mismatched on the level of attractiveness.
Dude's totally in an interfacial marriage. Have you seen the woofer he has settled with?
by Etch May 02, 2007
 
2.
A marital union including two people of unequal yoking in the looks department.
Interfacial marriage is on the rise with new unions such as that between Donald and Melania Trump.
The Supreme Court just declared interfacial marriage unfortunate, though legal.
by Cassie & Joanna April 29, 2007