Funny Coworker Birthday Memes: Coworkers are like a second family. You spend almost half of your life with people who work with you in your professional life. They become an indispensable part of your life and share all highs and lows that happen at the workplace. When it’s your coworker’s birthday, you cannot avoid yourself being part of his/her special day. You must put effort more than other colleagues to let your coworker know how special he/she is to you. Are you scratching your head as you don’t know what to send to your coworker? Here are some of the funniest happy birthday coworker memes that will leave your coworker celebrating a birthday in splits.