1) Someone who tries to mow you down with thier horse in the warm up ring.

2) Someone who has more bling on thier tack than is absolutely necessary.

A: Man, her browband was glittering so much it spooked that horse and caused a pile-up!

B: Yeah. She's a total DQ. (Dressage Queen)
by Elessar266 November 16, 2006
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