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A small portion torn from the foil wrapper from one's burrito, used to clean between the teeth.
Man, that carne asada sure got stuck between my teeth. Good thing I have some Mexican dental floss!
by jac3 May 17, 2008
The act of receiving pubical hairs in your teeth.
John gave Cheryl some serious mexican dental floss last nite at the orgy.

by ttfish January 06, 2006