openCanvas 

A drawing program which works very well with a tablet. Japanese in origin, but has an English language option.

The program can also be used online, to connect up to four people at the same time. When connected, all four people draw on the same canvas.

Abbreviation: oC

Hey, check out this pic I just drew on openCanvas!

The other night, I was drawing with my friends on openCanvas ^^

openCanvas by Orasa December 14, 2004

opening theory 

n.-A chess term for the strategy employed in the first couple moves (opening) of a chess game. Nonsense if you want to have fun.

Haven't you studied your opening theory?
Shut up.

opening theory by raskolnikov, PhD. April 12, 2007

Alaskan Bottle Opener 

When a man wraps his legs around a girld and ejaculates in her mouth and screams "I have herpies".

Jane and I had the best Alaskan Bottle Opener last night.

Alaskan Bottle Opener by Michael Ryzuk October 19, 2011

Opening the Dill Door 

Having rectal relations with a man!

Cole "Hey there hot stuff!"
Erantz "My dilldoor is open and gaping!"
Cole "So you're Opening the Dill Door?"

Opening the Dill Door by Sam and Greg December 4, 2006

Opened the fridge

To expel a particularly textured and aromatically rich brand of flatulence, the smell of which brings to mind the distinct odor of food gone bad emanating from a freshly opened fridge.

Clear out everybody, Betsy just opened the fridge!

Opened the fridge by The Paul J February 23, 2007

Jason Bourne Door Opener 

The method used to open a door when more friendly attempts have not succeeded, such as using a doorbell or knocking. Or having permission to enter.

Typically executed by lowering ones shoulder or using heel of foot.

My girlfriend wouldnt get out of the bathroom, so I used the Jason Bourne Door Opener to get her out.

Jason Bourne Door Opener by SteelerfaninPeru August 20, 2009

opening up a can of whoop ass 

To unleash fury and anger, in the form of whooping ass

When Tom found out his friend Bill was nailing his girl, he solved the issue by opening up a can of whoop ass on Bill.

opening up a can of whoop ass by EatingTacosRightNow April 13, 2016