Noun.
When a fortuitous coincidence brings about the opportunity for an unplanned or unexpected bout of sexual intercourse.

or Verb.
"luckfucked"
Noun:

Dave: How was that party last night?

Pete: Man, it was awesome. I met this blonde chick and I got me a luck fuck.

Verb:

Sue: How was your birthday?

Valerie: It was great. I got luckfucked at the club.
by Joyanes October 17, 2011
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The act of having sex with another person in order to wish said person good fortune. usually done before exams, departures, or future confrontations with someone/something. Plus it rhymes. :)
Rndm Chick: Fuck, I'm totally gonna fail my driving exam tomorrow. Boyfriend: Well I think you'll do fine, but a good luck fuck couldn't hurt right? *5 Minutes Later* Rndm Chick: Im so failing....
by Xero _ Manifest December 29, 2011
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An act of sexual intercourse performed in anticipation of an important event to confer good luck on one or both participants.
Where'd he and she go?
She has her Dartmouth interview
Oh - a good luck fuck
by Cat=Poptart November 8, 2007
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Having sex to bring good luck before participating in an activity
Before a college interview, one has a good luck fuck to help the interview go well.
by cat=poptart November 9, 2007
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Any sexual activity engaged in before a stressful event, such as an exam, performance, work obligation, etc. Often used to release tension, but really just an excuse to get laid.
Before her board exam, I sent her off with a good luck fuck.
by SecretlySexuallyTwisted December 29, 2011
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a mentality that success doesn't come from luck. it comes from hustle and taking calculated risks
I don't need luck. Fuck luck, just hustle.
by monday2monday January 21, 2018
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Dual usage:
1. A stroke of astonishing luck that comes out of no where!

2. A very bad luck incident near the end of a string of bad luck that seems to never go away.
1. Person scratches off lottery ticket. "Fuck luck! I just won the damn lottery!"

2. Person has a car wreck after leaving late and spilling coffee on themselves. "Fuck luck! Can it get any fucking worse!!"
by flacker September 20, 2005
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