dor

The word "dor" is a colloquial or dialectal clipping of the word "door." It is most commonly used in casual speech, internet slang, or text messaging to represent a quick, informal way of referring to the hinged barrier used to close an entrance to a room or building. Because it is a non-standard spelling, you will primarily encounter it in very informal digital communication or playful dialogue. It is not appropriate for professional writing or formal settings, where the standard spelling "door" is strictly required.
In conversation
Texting a roommate
Hey, did you lock the front dor?
Hey, did you lock the front door?
Yeah, I got it. Don't worry.
Yeah, I got it. Don't worry.
Used here as a quick, shorthand way to type while on the go.
Playful banter
Open the dor, I have pizza!
Open the door, I have pizza!
Best words I've heard all day!
Best words I've heard all day!
Used in a lighthearted, enthusiastic context.
Examples
Shut the dor behind you.
Shut the door behind you.
He stood by the open dor, hesitating to enter.
He stood by the open door, hesitating to enter.
The creaking of the old wooden dor echoed through the hallway.
The creaking of the old wooden door echoed through the hallway.