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1. ifu
Related to ILU. Can stand for I FIND YOU or I FUCK YOU
When in love it is ILU.
When at war it is IFU.
2. IFU
Acronym for I Fucked U - where instead of attending an actual university, like NYU or MIT, one attends a woman and has a child with her.
Graduate: Hey dude, are you a college graduate?
Undergraduate: No man, I attended IFU when I was 21.
3. ifu
i forgive u

when u dont want to say it cuz u rele dont but u have to or else they'll hate u.
person one : "yeh i called you a fucking bitch. but thats cuz i was just dumped."
person two: "ifu"
4. ifu
I Feel You
"I'm gonna wear all black tomorrow and be a ninja, you feel me?"
"ifu"
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