1 definition by chexpert
a title for a couple that consists of one person that is from mexico (mex) and one person that is from either russia, the czech republic, or other surrounding countries (chex). a play on words originating from "chex mix."
"My nephew is bringing his Russian/Czech girlfriend home to meet his parents in Mexico."
"Oh, you've got some Chex Mex going on in the family."
"Oh, you've got some Chex Mex going on in the family."
by chexpert July 25, 2009