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5. Foil
Stands for First Outer Inner Last

A math acronym used for multiplying binomials.

This is known to the world as the best math operation known to man. It is by far the most useful, this is a scientifically proven FACT and should not be disputed by anyone, ever. Doing so is punishable by death.
Courtney - "Did you hear the Bobby does not like to FOIL?"
Abbey - "He should be killed, because that is punishable by death..."
1. foil
First. Outside. Inside. Last
Foil gives me great pleasure in multiplying binomials.
2. foil
A thrusting weapon used in fencing.
He scored a point by putting the point of his foil on his opponent's torso.
by The Professor Nov 7, 2003 add a video
3. foil
(v.) To publicly humiliate or embarrass someone. To prove someone wrong in an embarrassing manner. Synonymous with "own" or "pwn."
HP really foiled Falc by posting his gigantic rambling love letter to her for everyone else to see on the internet.
by dantehicks3737 Feb 14, 2005 add a video
4. foil
In Australia, a foil, is a $25AUD deal of weed.
"Do you sell foil's?"
by Diego Jul 26, 2003 add a video
6. foil
1. (v.) To publicly humiliate or embarrass someone. To prove someone wrong in an embarrassing manner. Synonymous with "own" or "pwn."
2. First. Outside. Inside. Last (A rule for binomial multiplication in mathematics.)
3. A thrusting weapon used in fencing.
4. In Australia, a foil, is a $25AUD deal of weed.
5. A $20nzd deal of marijuana wrapped in tin foil,around 10grams. Also refered to as a tinny.
1. HP really foiled Falc by posting his gigantic rambling love letter to her for everyone else to see on the internet.
2. You want a math example? Seriously? Give me a break.
3. He scored a point by putting the point of his foil on his opponent's torso.
4. "Do you sell foil's?"
5. "Yo, do you know where I can score me a foil?"
7. Foil
Where a guy or a girl takes their lips and wraps them around a girls vagina and sucks. (Such as you wrap something up with aluminum foil.)
Dude, are you going to foil your mom tonight?
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