"Just a friend"; a term often used to describe someone of romantic interest who has yet to be referred to as "boyfriend" or "girlfriend" in public or even among close friends. Often, both parties have a shared romantic interest in each other and haven't told anyone yet. At other times, one of them may be stuck in the friend zone. The "just a..." part is a lame attempt to conceal this fact everyone else already knows. Otherwise, the term friend is used instead.
Jay-Z was jaf to Beyonce for years and now they are married!

I respect people's privacy but who were they fooling?
by Doublestuff December 5, 2008
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Guy on GATCity and formerly the GAT. Gets crtap because it looks like a rat lives on his lip.
by Kaladbolg June 30, 2003
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joking, kidding. An expression of disbelief.
1: You know I'm going out with (popular kid)
2: Nah mate! You're jaffing me!
by 4John February 12, 2011
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I entered the locker-room to see all the 2nd XI jaffing over my gym shorts. Kewl!
by Kitty Clicker March 25, 2004
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John Allan Forster Syndrome.
loss of memory, ability to bullshit for england. multitued of rude sayings, pledge never to take the blame for anything,loss of hair, bad breath and extreme smells.
"hello jack, i mean john, harry oh fuck whats your name?"

"kate"
by harry the b*****d October 18, 2003
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Just Another Fetus

Some goofy spammer at Gat City
JAF is the spammist spammer we've got.
by not Joshui Mora May 16, 2003
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Iranian slang for showing all the possible feelings as scared, amused , amazed, and unpleasant feels
Teacher is not going to take exam guys we are so Se JAF(LUCKY)

i was smoking when my dad saw me. I'm so SE JAF(fucked)

Stop singing man you are SE JAFING us with your awful voice(bothered)
by Ali_mz February 8, 2019
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