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21st birthday is a meaningful and widely celebrated occasion in Australia as anywhere else. Turning 21 means being mature and responsible for your own life but with a dash of childishness and craziness. Being confident in the way you deliver the birthday message to your buddy is the key to make the recipient amazed! Tell your besties that you are stocked to be a part of their birthday celebration!

Here are some examples of how you can express all your feelings in an Australian way, check our collection of 21st birthday messages in Australia:

Funny 21st Birthday Messages Australia

  1. I’m wishing you a Happy Birthday, before you’re too drunk to remember that it’s YOUR BIRTHDAY!
  2. Happy Birthday, you son of a Really Nice Lady, who deserves respect.
  3. Cheers and beers to 21 years!
  4. Happy 21st Birthday! Whether it’s tequila or a new opportunity, take the shot and chase your dreams!
  5. Happy 21st Birthday! Now you can get rid of the fake ID.
  6. If you want to Nail your 21st Birthday, you got to get Hammered!


  1. Happy Birthday! We are all grateful to mark another year with you in the world! Have a beautiful day sweetie!
  2. 21st Birthday wish – Twenty-One wishes; are sent your way; to help you celebrate; your special day.; It’s time to wish; and it’s time to say; Much love to you; on your 21st
  3. Happy Birthday! Your life is just about to pick up the speed and just blast off into the stratosphere. Wear a seat belt and be sure to enjoy the journey. Happy 21st Birthday!
  4. You’re now definitely a teenager no longer. But that doesn’t mean you have to stop having fun. Enjoy your 21st birthday and have the time of your life! Happy 21st Birthday!