"O!" YES! YES! While maybe not appropriate for your most devout and pious friends, family members and coworkers, everybody else with a raunchy sense of humor who are ecstatically celebrating a Birthday will get a jolt of great joy upon receiving this nun too funny B-Day card. The irreverent greeting presses a hot button of sexy hilarity to ensure that somebody special's celebratory day is full of good feeling. And don't be surprised if an adventurous Birthday girl or two takes the pictured salacious cycling O joke suggestion for an actual ride.