A 21st birthday is a big step, and sometimes the best way to celebrate is with a good laugh! If you're looking to add some humour to their birthday card, these messages are sure to do the trick.
Funny 21st Birthday Messages Lighthearted & Humorous
Bring a smile to their face with these funny and witty messages, perfect for celebrating the joys (and woes) of proper adulthood.
HumorousLightheartedWitty
Personalised Star Chart
The Night Sky on Their Birthday
Create a stunning printable star chart showing exactly how the stars aligned the moment they were born.
21st Birthday Cards
Find the perfect card to accompany your heartfelt message
(6)
♥ 97
Moon Over Water Card Full Moon Rise Lunar Moonrise Stars Rising Lake Ocean River Sea Celestial Astrology Witchy Watercolour Birthday Cards
From £6.49
2 options astrology cardcelestial cardfull moon card
View Details →
(6)
♥ 89
Moon Fish Greeting Card Starry Night Sky Watercolour Art Celestial Spiritual Pagan Witchy Birthday Any Occasion Card
From £6.49
4 options Any Occasion CardMoon Fish CardStarry Night Card
View Details →
New
♥ 74
The Moon Tarot Greeting Card Print Celestial Pagan Spiritual Birthday Wishes Set Intentions For Witchy Friends Mystical New Age Magical Art
From £6.49
4 options tarot birthday cardOracle Stationeryink drawing card
View Details →
(5)
♥ 12
Hap-Pea Birthday Pun Card Happy Cartoon Pea Punny Funny Humour Cute Kawaii Joke Folded Greeting Cards Food for Him Her Husband Best Friend
From £6.49
4 options unique birthday cardcute birthday cardgreen pea party card
View Details →
New
♥ 11
Mystical Moon Moth Card Celestial Lunar Birthday Stationary Art Purple Tarot Goth Goblincore Whimsigoth Cottagecore Witchcore Pagan Witchy
From £6.49
4 options eco friendly cardluna moth cardtarot butterfly card
View Details →
(1)
♥ 10
Highland Cow Birthday Card Moon Stars Galaxy Iridescent Colours Encouragement Strength Perseverance Follow Your Dreams Goals Greeting Cards
From £6.49
2 options scottish cow cardshaggy cow cardhighland cow card
View Details →