My cousin is celebrating his 30th soon and I want to get a shirt printed with something really funny on it. Ideas anyone? I'm not particulary PC so fire away!

"I'm with this racist/bigot/homophobe* *delete as appropriate" ?

look on chargrilled dot com

How about Tucker's law? If it comes on tea towels, I'm sure you can get it on a t-shirt 🙂
http://www.youtube.com/watch?v=xe3Ou9xBAlI

I always liked

*tell your girlfriend I said thanks*

cheers lads. There are some corkers on jamrag.com

Keep em coming.

i like these (possibly not work safe)

http://www.sumosam.co.uk/offensive-tshirts-17953-0.html

Wanna go to Pen Island?

has to be this one http://www.tshirthell.com/funny-shirts/suck-all-you-want-ill-make-more/

Your boyfriend keeps winking at me.

A horizontal line near the bottom of the tee with a slogan next to it saying 'I've had it up to here with midgets'.

http://www.8ball.co.uk/SloganT-shirts/Myattitudestinkssmellmyfingers.html

Thanks for the suggestions everyone!

Gentleman, we have a winner

The 'you'd better tuck that in T-Shirt'