An old Yorkshire euphamism for homosexuality said as the person involved is seen as batting for the other team, akin to batting for Boston in the US. Not so common in these more tollerant times as many people no longer see the need to drag the good name of Homosexuality through the mud by comparing it to the population of Lancashire.
Girl One: "He's quite tasty"

Girl Two: You've no chance luv; he's batting for Lancashire
by Tatereater July 10, 2010
Get the Batting for Lancashire mug.