Stanley accidentally spilled the milk.    From LearnThat.org. 

They met accidentally.    From Wordnet, Princeton University. 

Adjective : an accidental meeting. ,accidental benefits.    From Dictionary.com. 

Maybe I deleted a tag accidentally when I did some of my mods?.    From Wordnik.com.  [New One] Reference

When a coin accidentally drops into the slot, it dispenses a peanut.    From Wordnik.com.  [Boing Boing] Reference

The Air Force led us to believe that Dad's plane crashed into a mountain accidentally and without warning.    From Wordnik.com.  [Echanis, Joseph Y.] Reference

"No. I never saw you till to-night, but I learned your name accidentally, and I'm anxious about your soul.".    From Wordnik.com.  [Dusty Diamonds Cut and Polished A Tale of City Arab Life and Adventure] Reference

Never to allow a patient to be waked, intentionally or accidentally, is a sine qua non of all good nursing.    From Wordnik.com.  [Notes on Nursing: What It Is, and What It Is Not] Reference

Government contractor Lockheed Martin accidentally deleted ID card applications for 3,000 seaport workers.    From Wordnik.com.  [Coffee Break: Dec. 5] Reference

Could they have been introduced accidentally from the Channel Islands, or the continent, as Jon suggested for the other possible colonies?.    From Wordnik.com.  [Archive 2006-04-01] Reference

He wasn't wounded or hurt; not accidentally, that is, and not very much.    From Wordnik.com.  [Time and Again]

His sword accidentally touched the metal, and the soft clang tingled every nerve in his body.    From Wordnik.com.  [The Grey Cloak] Reference

Certainly a political gaff in that language -- where "gaff" is defined as accidentally telling the truth.    From Wordnik.com.  [McCain's Speech: Obama Doesn't Have "The Scars" That I Have] Reference

I mean it's not like the iPhone that it in your pocket and may have the button pressed and make a call accidentally or something.    From Wordnik.com.  [ehMac.ca] Reference

And, they didn't come off accidentally, which is good because that could get annoying during portable use and eventually they'd get lost.    From Wordnik.com.  [Epinions Recent Content for Home] Reference

Both have what I call accidentally high yields.    From Wordnik.com.  [BloggingStocks] Reference

Someone might "accidentally" intrude at any moment.    From Wordnik.com.  [Mary Queen Of Scotland And The Isles]

I considered "accidentally" kicking the ladder and running off.    From Wordnik.com.  [haloaskew Diary Entry] Reference

Geno shrugged and "accidentally" dropped a hammer on Gary's toe.    From Wordnik.com.  [The Woods Out Back]

Barges "accidentally" run aground are an efficient time waster too.    From Wordnik.com.  [Simple Sabotage Field Manual] Reference

But no! For she next arranged for me to 'accidentally' overhear her playing.    From Wordnik.com.  [Mary Queen Of Scotland And The Isles]

And my phone and email might just "accidentally" quit working the entire week.    From Wordnik.com.  [mrbradley Diary Entry] Reference

(Mooi River), or "accidentally" erasing tapes with vital evidence (Boipatong).    From Wordnik.com.  [COMMISSIONER OF POLICE ON THE SITUATION IN SOKHULU, NORTHERN NATAL] Reference

One of the crew, flying toward the ship, could "accidentally" pass over his camp.    From Wordnik.com.  [Natives of Space]

She ate the proffered treat delicately, "accidentally" nipping his fingers only once.    From Wordnik.com.  [Curse of the Shadowmage]

DAVIS: He said "accidentally," and the explanation is the truth that it was accidental.    From Wordnik.com.  [CNN Transcript Jul 20, 2004] Reference

On top of that, Win's hand had "accidentally" slipped, scratching both driver's-side doors.    From Wordnik.com.  [Drop Shot]

I spent a great deal of the concert "accidentally" leaning against one extremely edible guy.    From Wordnik.com.  [sierrazen Diary Entry] Reference

Today I had a guy on the phone who 'accidentally' ran over his phone and wanted US to replace it.    From Wordnik.com.  [terrarose Diary Entry] Reference

It's easy for some Conservative minion somewhere to 'accidentally' misquote a Democratic official.    From Wordnik.com.  [Hillary Hits Obama Over Latest Obama NAFTA Story] Reference

Can't stop the tape though, so Santa puts the cookie down and then "accidentally" sees the camera is on.    From Wordnik.com.  [unclebob Diary Entry] Reference

He drove down from Mansfield to spend the day w/her and then she "accidentally" left her cell in her room.    From Wordnik.com.  [kadithekuban Diary Entry] Reference

If you "accidentally" engage in public displays of affection, don't be surprised to receive some disapproving looks.    From Wordnik.com.  [Arabic for Dummies]

She said it was an accident, but he doesn't believe her, not after she 'accidentally' shot at the stagecoach driver.    From Wordnik.com.  [For The Roses]

Now, there are cameras in this area and we've been caught five or six times, last night and today, kind of accidentally going to Canada.    From Wordnik.com.  [CNN Transcript Jul 3, 2007] Reference