A person who is Mexican and Irish descent.
Guinness and Tamales are the staples of a McBeaner's diet.
by KatieUchiha December 25, 2007
1 more definition
one of the seemingly ten million beaners that took over mcdonalds some time ago.
if this fucking mcbeaner knew english, i'd have the right order, marge.
by the undying zombie July 10, 2008