It's just jenga.

I'm not sure how appropriate this t-shirt was for playing a game of jenga (it's a little distracting to say the least).

... is it Jeremy Scott? I don't know. Here's another:

EDIT: sarahjane, whose blog Fashion Polaroid is full of luscious sartorial yum yums, tells me that the sex-tee is actually Ksubi. Oy vey, I should have known.