What is One-off?
1.
(n) a one time occurence. An
Let's just treat this as a one-off and make sure it doesn't happen again.
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2.
Chiefly British.
-adjective
1. one of a kind; unique.
2. done, made, or happening only once.
-noun
3. a
4. something done, made, or happening only once.
This began as a British expression but is now known in the US and elsewhere.
Eddie: Say what?! You base-jumped off the Empire State Building? Were you insane?!
Johnny: Hey, it was only a one-off. I was a
turk lad at the time and a little drunk, and I don't think I'd ever have the courage to do it again.
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3.
A person you only plan to have sex with once. A one-night stand.
He's just a friend but he's cute enough that I would consider a one-off.
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4.
A happening that occurs only once---not repeated---a unique event not seen before
The cheer leader's accepting a date with the chess champion was one-off for her ilk.
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5.
short for One of a Kind
The one-off neon in Jinsoku is so tight, I wonder where he got the idea for that
widebody !