1 definition by Kyzer_13

Top Definition
(Noun) the money spent on gifts or treats for one's significant other, in order to show devotion to said significant other.

Also may refer to the money spent in the efforts to begin a relationship with a prospective partner.

May be abbreviated to RT or R-Tax
e.g.

1. "He'll suffer tonnes of relationship tax with a girl like that."

2. "She paid a lot of relationship tax buying him that car."
by Kyzer_13 July 15, 2009

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