Why yes, as a matter of fact it is a Butt Lamp that turns on when you smack it

Butt Lamp
London-based designer and derriere aficionado Joseph Begley has created the Slap It, a butt-shaped lamp that you can slap or pinch to turn on. We can’t make this stuff up.

butts

The lamp comes in 10 different colors and retails for £149 on his online store.

Source: slapit.me