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Abbreviation for That Is Really Funny (it's the new "lol"). It can also be used as an adjective to describe something funny, and when people ask what it means, you tell them, and then they say it doesn't make sense, and then you say to yourself: tirf.
That comment you made about that whore is really tirf.
by -dH- August 30, 2005
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Sep 9 Word of the Day
the thing that you don’t have when you’re phones percentage is over 20
phone: why don’t you go to sleep tommy it’s 2 in the morning?
tommy:why don’t you die you dumbazz
by lik_frls_dis.me February 12, 2020
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Stands for "This Is Really Funny". You use it when you find something really funny. Used by people who are sick of hearing and using lol.
Man: Oh man tirf!
or
Man: Oh man that's tirf!
by mechristof September 03, 2005
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