A negative term for a girl who comes from a family of dairy farmers. Often considered dirty or low class
Buddy: Yo I got a date with Lauren tomorrow night at her daddys barn. imma smash that good.
Me: Nah man she dairy trash.
Me: Nah man she dairy trash.
by alaskan fire dragon February 02, 2016
by Alaskan Fire Dragon July 08, 2006