F0ILer 

The best at FOILing, superior to all others in the subject of mathematics

Jess is the F0ILer due to her ability to dominate in all mathematica areas.

F0ILer by FOILING October 20, 2008

foiler

A pipe made from aluminum foil bowl for smoking of tobacco or marijuana.

I couldn't find a new pipe, so i just made a foiler myself.

foiler by angrymofo1 February 6, 2006

filero 

Latin slang word for knife or something sharp.

He got stabbed with a filero.

filero by sandSStorm May 27, 2005

Failer 

Algerian slang for flawless being, often used to describe a genius who cannot be fooled who FAILS your attempts to deceive him, or can be used to describe someone who excels in multiple aspects and is extremely handsome .

Mohammad : i finished reading Aristotle's The Nicomachean Ethics, finished Dark Souls with zero deaths, just finished studying and now I'm gonna hit the gym .
Ahmad : you really are a Failer aren't ya' ?

Failer by UltraEdgeMaster79 April 15, 2021

Failer 

someone who's cool and magistic .

Guy 1 : that guy is so cool and handsome .
Guy 2 : he's a failer .

Failer by verytrustworthy1 May 19, 2022

henry h filer middle school 

A really bad middle school that shouldn’t exist at all. The teachers and principal really suck and most of the teachers speak spanish.

Guy: hey, what middle school do you go to?
Girl; henry h filer middle school
Guy: ....
Guy: oh.

henry h filer middle school by barf_unicorn February 1, 2019

filer 

Someone who pretends to be busy but is really listening to everyone's conversation.

Look at that girl, she's being a filer again!

filer by nn_paige August 5, 2008