Why is she frowning when it says 'SMILE'? Ah, yes: it's called irony.
Here are some of our favorite slogan tees with a little bit of tongue & cheek:
1- DIESEL Reboot Tee by Nicola Formichetti $48
2- EACH OTHER L'art De Rien Tee €120
3- ZOE KARSSEN This Is Not A Love Song Tee £59
4- A|WEAR IRELAND Bowler Moustache Glasees Tee £12
5- ELEVEN PARIS Kate Moustache Tee €40