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 18, 2008
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The act of receiving pubical hairs in your teeth.
John gave Cheryl some serious mexican dental floss last nite at the orgy.

tf
by ttfish January 6, 2006
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