Bartender

A brunette walks into a bar and says, ''Gimme an M L.'' The bartender says, " What's an M L?'' She says, '' A Miller Light.'' Another Brunette walks in and says, "Gimme a B L.'' The bartender says, ''What's a B L?"She says, ''Bud Light.'' A dumb blonde walks in and says, ''Gimme a 15.'' The bar tender says,'' What's a fifteen?'' She says,'' 7&7, duh!"