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4. One and done
When one trys to do something once and that is all that is needed, or when one simply performs a task once and it is complete.
This can be used even when playing sport and you only win by one score. Aswell as when you go to a fast food restrant that often makes mistakes with your order, but thay get it right first time. It is a statement or decliration stateing that you only had to try something once and then the task was completed requireing no more effort.
Tom: "don't you have to call work and tell them you wont be in?"

Tony "I all ready did, one and done"

Tom "Out of sight"
1. one and done
A term used in sports to describe a team's performance in the playoffs when they win their first round game but lose in the second round.
The Seahawks may have beaten the Saints in the wild card round, but they're gonna be one and done when they lose to the Bears in the divisional round.
2. one and done
To become extremely intoxicated after only one alcoholic beverage.
Chris: Why is Meghan ALREADY acting so DRUNK????
Dan: Yeah. She's always "one and done."
Meghan: WOOOOOAHAHAHHDOAWOWOAOAH!!!!
3. One and Done
When a man enters a woman and ejaculates immediately while screaming "SSSAAAVVAAGGGEEEE!!!"
Do it the Savage way One and Done!
5. one and done
a long-term monogamous relationship between husband and wife, in which one man and one woman, never previously married, wed and stay wedded until the day they die, come hell, high water, or anything in between. Also, an extreme commitment between husband and wife. See LDS Temple Marriage for more information.
Tim: "Dani, I'm so glad we've decided to be "one and done," so that we can stay committed to each other for the rest of our lives.

Dani: "That's right, Tim. We will never get a divorce, so long as we both shall live. In fact, according to LDS doctrine, we will stay married even after we die, and become gods and goddesses!"
Tim: "One and done, you've saved our marriage!"
6. one and done
Having only one child and not wanting anymore.
Mary: So when are you all going to have more kids?

Carol: Are you kidding? We are so one and done.
7. one and done
A highly popular term, used by a kid named Steve, that translates to a QUICKIE.

1. A chance to fuck a random woman spontaneously, and immediately leave her (while she sleeps, perhaps?)

2. Faking your way through a relationship so that you can score in bed and LEAVE. Good night!
"One and done! GOODBYE. NEXT! Movin' along." -Steve (Not used in a real-life situation)