1.Happy birthday to the only coworker I want to hang out with outside of work.
2.Happy birthday to my amazing coworker. I’m wishing you a fun night and big promotion next year.
3.Happy birthday, coworker! I promise not to tell the boss if you take a few extra breaks today!
4.Thank you for always standing in for me when I need to use the restroom. Happy birthday!
5.Happy birthday to the one coworker whose birthday I care about more than eating their birthday cake.
6.Happy birthday to one of the few people whose birthday I can remember without a Facebook reminder.
7.Hey coworker, happy birthday! May your day be filled with more ‘Reply All’ emails than you can handle – just kidding!
8.Happy birthday, coworker! May your day be full of surprises – just not the kind that involves urgent deadlines!
9.Happy birthday! I hope you get a raise but not too much where you no longer share a cubicle with me.
10.Happy birthday to the one coworker who can always make the office feel like a party – even during budget meetings!
11.To the coworker who keeps the coffee flowing, happy birthday! May your day be as strong and bold as your morning brew!
12.Cheers to the coworker who makes lunch breaks feel like a party! Happy birthday – let’s celebrate with some cake in the break room!
13.Happy birthday! May you live to be so old that the very sight of you terrifies babies and ex-lovers.
14.We know you could spend your birthday with anyone. But, aren’t you lucky you get to spend it with us at the office?
15.Happy birthday! We still don’t know your age. Only you, God, and HR know your real age.
16.You are yet one day closer to being ancient, droopy, and old! Happy birthday, I can’t wait to see you decorated with wrinkles soon! Have an amazing day.
17.Here is to hoping for you to have tons of more birthdays! You are finally older than me. How does it feel to be ancient? Happy birthday, love, have a great day!
18.Happy birthday to my favorite co-worker! You are yet another year older. Here is to chasing your dreams by sleeping in the office all the time! Have a wonderful day.
19.On this birthday I would like you to know that I am grateful for your existence. Why? Because I have someone around me who can remind me that I am young! Happy birthday, oldie. Don’t party too hard!
20.Happy birthday to my favorite co-worker. Today, I promise I will do anything that you ask of me. Just don’t ask me to give you my paycheck! I hope you have a wonderful time today.
21.Happy birthday to the one coworker whose existence doesn’t irritate me. I hope you have a wonderful time today and that you are with my favorite in the dreaded office! You make it all better. I love you.
22.Since it’s your birthday I hope that you celebrate this beautiful day. I would like to advise you not to party too hard. You know this is a sensitive age. Your teeth might fall out oldie! Happy birthday.
23.As your birthday is here, I would like to thank you for being my silent supporter in that hell hole of an officer. I promise never to eat your snack from the fridge! I hope you have the time of your life.
24.Since it is your birthday can I take that bottle of wine out during the day? Who am I kidding, though? The office is a reason enough to do that! Looking forward to tons of more mid-day drinking sessions with you.
25.Your birthday is here! I finally have an option to gout partying today during office hours and make your birthday the reason! Thank you for adding some light to my day. Happy birthday, love! Have an amazing day.
26.Since it’s your birthday I just want you to know that you are really important to me. Especially to my mental health, I can’t bear a day more in that office without you by my side making fun of everyone. Happy birthday!
27.Happy birthday. You may be one year older but you still act like a toddler. Here’s to tons of more years of whining and crying like a baby over every small office dilemma. I hope you have a wonderful time.
28.Happy birthday to my oldie. Birthdays may be a day around the world when people celebrate, but you, my dear are getting ancient. Maybe put off the partying for this year? Jokes apart, I hope you have a spectacular day.