facenunchuck - Smacking your face with a nunchuck like it's your job. Usual

Smacking your face with a nunchuck like it's your job. Usually happens when you're playing a game and you're too lazy to think.

I facenunchucked my face because I was too lazy to press the right button.

My sister facenunchucked me during a game and I got a new level of stupidity.

I facenunchucked my face so hard I got a headache and a new level of embarrassment.