12 X 14 Free Printable Adult Coloring Pages Girl Birthday Cards Masculine Birthday Cards Happy Birthday Gifts Greeting Cards Birthday Card Ideas Birthday Happy. Give some grown-up laughs with the hilarious and naughty adult greeting cards from NobleWorks Cards. Available with free shipping, they're sure to start some laughs. Shop for funny, dirty, unique greeting cards for adults and get huge laughs. Perfect humorous cards for adults. Send a funny, inappropriate birthday or anniversary card that says what you really mean.