Rude Birthday Card for Him - "Massive Knob" Funny Birthday Card
To send it straight to them, pop their address in as the delivery address at checkout.
Card details
| Size | A5 (148 × 210mm), posts with a standard 1st or 2nd class stamp |
| Card | Thick 300gsm gloss |
| Inside | Blank, or we'll print your message for free |
| Envelope | White envelope included |
| Printed in | The North East, England |
Description
Rude Birthday Card for Him - "Massive Knob" Funny Birthday Card
This is the birthday card for lads who can take it. "Happy Birthday to you & your massive knob" is pure lads banter - the kind where everyone knows you're saying it with a grin. Perfect for partners, best mates, or anyone who doesn't need you to explain the joke.
- Premium Quality - Printed on luxurious 300gsm gloss card for a high-end feel
- Perfect Size - A5 format (fits a normal Royal Mail stamp)
- Blank Inside - Plenty of room to add your own personal message
- Complete Package - Includes crisp white envelope
- Bold Statement Design - Eye-catching colours and unapologetically funny message
This rude birthday card is ideal for:
- Partners celebrating their men
- Best male friends with no filters
- Friend groups with explicit humour
- Men confident in their bodies
- Anyone celebrating masculine pride
This rude birthday card celebrates the beautiful confidence of men who don't care what anyone thinks. It's crude, it's funny, and it's absolutely celebratory.
| Card Size | A5 (148mm x 210mm) |
| Card Material | 300gsm Gloss Cardstock |
| Inside | Blank inside for a filthy personal message |
| Envelope | White envelope included |
| Occasion | Birthday for Him |
| Style | Funny, Rude, Cheeky Humour |
| Message |
Happy Birthday to you & your massive knob |
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UK Delivery
Order by 3pm Monday to Friday and we'll dispatch it the same day.
Free delivery on orders over £20. Tracked delivery upgrades are available at checkout.
FAQs
What size are the cards and what are they made from?
It's not always the size that counts, but all of our cards are A5 and printed on high-quality 300gsm gloss card.
Can this be sent directly to the recipient?
Yes! Add your message inside, update the delivery address at checkout and we'll send it straight to them.
LOADS OF FUCKING MATES?
Any 4 for £10
Shop all5.0★★★★★From 1 reviews on this card
WHAT ARE YOU
FILTHY LOT
SAYING
Let customers speak for us
Boring cards are for
boring bastards.
5 star filth
Hundreds of filthy bastards can't be wrong. Real reviews from real-life daredevils who bought our cards and lived to tell the tale.
Send direct
Add your filthy message inside and we'll send it straight to their door. No hiding it in a drawer and certainly no chance to bottle it.
No fucking around
Order by 3pm Monday to Friday and it's out the door that afternoon. Forgot their birthday again? We've got your back, you useless bastard.




