shitclick
Someone that sucks at operating a mouse.
"Tyler is such a shitclick. He clicks on the porn ads every time."
shitclicker
A person who text messages and/or plays video games on their PDA or phone while using a public washroom.
While sitting in a stall at McDonald's, my defecating silence was broken when I was joined by another entering the cubicle next to me. To my disappointment, this one was a shitclicker. The peace was broken only by his periodic giggle or the incipit clicking of the tiny keys on his Blackberry.