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1.
Any fist pound between bro's that is used to indicate mutual agreement of opinion, in lieu of "Amen," "Word," or similar exclamations. Can be abbreviated as "TFP."

It is an ironic twist on Fox News's disgraceful characterization of Barack Obama's fist pound with his wife as a "terrorist fist jab" after Obama clinched the nomination for the Democratic presidential candidacy.
Bro 1: "Dude, you haven't found a job yet either?"
Bro 2: "Naw, man, I just sit around and play video games all day."
Bro 1: "Haha, me too, bro! Terrorist fist pound!!"
(They pound their fists together.)
by Liberal usage 23 July 10, 2008