Term used to describe female athletes who are more interested in looking good to male teammates than they are interested in working hard at practices. In contrast to serious athletes who put their hair up and generally wear little if any makeup when working out.
Originally used in the San Francisco Bay Area among coed high-school Crew (rowing) teams, with likely first usage occurring within the Los Gatos Rowing Club (LGRC). Has quickly spread nationwide as initial users have gone off to colleges around the country.
Look at the new freshmen, what a bunch of HDMO Hoes.