Definitions by Danliv2003

Thumble 

A portmanteu of thumb and stumble, works best when used with up or down to signify delight or disgust about a page using the Stumble Upon toolbar.

"dude, shit's cash, thumble up"

"ewww, no more Nailin' Palin for me, thumbled down"

Thumble by Danliv2003 March 19, 2009