When you make a "bad decision" while not under the influence of alcohol. Therefore making it "just fucking stupid" decision.
Becky said she made a "bad decison" in hooking up with Rob, however she was not under the influence of alcohol - therefore she is JFS.
by smartass rose March 3, 2010
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jfs stands for 'just friggin sexy'. it will be this years 'lol'.
by Adam & Eliza August 12, 2005
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i know you see this katie
"JF is a gaylord"
by JF sucks March 10, 2019
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other:: Hey I sure do love JFS
yuma: omg I fucking love JFS, season 2 will 100% be slaying..
other: ikr, JFS forever.
by JulietteFairmont August 6, 2022
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Jizz Fest. To proclaim something was amazing. Instead of saying "it was so good" or " shes so fit".
did you watch the game last night?
yeah it was a JF!

Do you think that girl is fit?
Yeah she's a JF!
by LOLZ R US! March 31, 2011
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short for just-friends-spooning
dude, it's cool...i just want to jfs with you
by yourpseudonymhere April 6, 2009
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The term "JF" is a verb recently brought to world attention in early 2007. Based on the exploits of a certain employee of an international internet corporation, "JF" is commnoly used as a verb meaning to sodomise dominantly.

In Thailand, the term "JF" has almost God-like qualities, due most likely to the hig quantity of sodomised locals who endured a great "JF-ing".

In addtion to signify anal pounding, it can also be used to mean "get screwed", as in getting screwed in the work place
I JF'd her last night!

I would love to JF that girl, but I don't have any lube.

In the workplace: "This idiot stole my presentation and I got JF'd royally!"
by Anonymous6947 March 7, 2007
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