stumblenut 

When you nut so hard that you stumble and almost fall over. Causing someone to stumblenut can be a point of pride.

Dave: Lauren sucked me off so good last night that I almost fell over!
Robert: Damn, she made you stumblenut? That's lit, I haven't had a succ that good since my ex left me!

stumblenut by Owens4lyfegod420 April 19, 2019

stumblecunt 

A young woman who stays drunk constantly, to the point of not being able to walk straight.

Lindsay Lohan was drunk in public again. What a complete stumblecunt.

stumblecunt by youradvicehere May 20, 2009

Stumblefuck 

A person that falls or trips frequently.

Someone that injured themselves by falling or tripping.

pointing out the arrival of someone who recently hurt themselves in a fall-

"Oh look, here comes Stumblefuck"

Stumblefuck by Sly Fox Ash July 28, 2009

stumbleupon 

a website where people share their websites and send the pages they visited to each other

Man i was on this cool as site just now!I sent it to you on stumbleupon,you got it yet?

stumbleupon by stevoo0011 July 27, 2006

stumbleuporn 

To stumble solitarily on the pornography section of stumbleupon. Ideal for maximizing your pornographic potential on the interwebz

Last week I returned home to find my grandmother stumbleuporning on my computer and was quite shocked that she asked me how to make her own account

stumbleuporn by OG StumbleUPorner November 18, 2010

stumbleupon 

A tool for Mozilla Firefox that is used for trolling at the speed of light.

I use stumbleupon every day! In fact, I use it a thousand times a day!

stumbleupon by That One Italian June 25, 2010

stumblefucked

To be so bored at work that you load StumbleUpon, click on it incessantly all day long viewing random web pages until you run out of suggested StumbleUpon pages to display.

holy shit i've just been stumblefucked !!!!

stumblefucked by markbluestone December 9, 2008