What is Thumble?
1.
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"
See
2.
To make a typo while inputting text on a hand held device such as a cell phone.
"Hey guys, gow ard yot?"
"Sorry, I mean, how are you? Whoops, looks like I thumbled!"
See
