A slang word meaning cool.

Coming from the word Filth. "Filth with an F".
Example one: "That car is FILF!"

Example two: "Did you see that dance move??"

"Yeah! It was FILF!"
by The J Dawg May 12, 2010
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freshman I'd like to fuck

Back when I was a sophmore my friend was obsessed with the hot freshmen girls that were new at the school. I proudly adapted the name filf, coming off of the American Pie phase. To extend the story, this friend was caught taking pictures of these filfs in the cafeteria with a digital camera. The girls subsequently told their conselors and faced some awkward situations. He also hosted the FILF Poll which was the general consensus on who was the hottest freshman girl. (the winner's name was Theresa). For this, Theresa ends up im-ing my friend and having a huge awkward moral discussion. Anyway the whole saga was very entertaining.
Dude, look at that hot freshman, what a FILF.
by EmJayAre is a freak March 15, 2005
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"FAMF I'd like (to) fuck"

"Fuck it like (a) FAMF"

FAMF (meaning fast ass mother fucker)
Girl #1: Oh damn that boy was so fast
Girl #2: Yeah girl he was a FILF.
Girl #1: FILF?
Girl #2: He's a FAMF i'd like to fuck
Girl #1: Oh I love FAMFs
Girl #2: Yeah i prefer Fast ass mother fuckers as well.
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Parker: Damn she's so hott.
Patrick: Yeah I'd totally FILF that!
by Parkrick December 15, 2009
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Wow look at Ryan Secrest he is such a Filf
by bwayboston July 7, 2006
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English term for the police, or cops
scarper lads, it's da filf
by end-o-son November 10, 2006
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