Pronounced "fya powa"
The quality of having built or swole arms. Arms (or specifically biceps) are sometimes known as "guns" so to have strong/muscular ones equates to having "firepower."

As heard in Night at the Museum 2.
Check out the gunshow over here, *flexes each arm* Boom, Boom, FIREPOWER! (FYAPOWAAA!)
by Jickens June 29, 2009
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also; fyapowa
derived an ability provided by a plant found in the Super Mario Bros. video game for the NES

1) n. potent marijuana
2) n. to have the skill to perform consistently well at anything, similar to having game
1) "Aww shit son! This be some firepower!"
2) "Damn, you beat me again."
"Hell yeah! I got firepower!"
by dollabillzyo November 7, 2007
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n. A term meaning obtaining a weapon or ability that is so powerful that it renders the user nearly invincible. Usually used to refer to an item in a video game obtained via discovering a secret or, more often cheating.

From a 1980's commercial for the GameGenie, a cheating device to be used in conjunction with the Nintendo Entertainment System, wherein one of the boys using it claims he is going to "get radical firepower"
Beating this boss is easy when you've got radical firepower!
by CanisMinor December 1, 2014
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A term used to address the seriousness of a threat. It can only be used in the most drastic of situations and must be screamed at the top of a person's lungs.
Tony: I think that car is coming right at us......INTENSIFY FORWARD FIREPOWER!!!!!!!!
by Matt Crampton July 30, 2010
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What some call the conservative take at world peace. It is better than the slogan "love and peace", but does not conform with the Bible's newer testament's "turn your other cheek" mentality.
by Quakeulf September 11, 2006
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You are about to get destroyed physically, mentally, and spiritaully. Generally if this phrase is bellowed out it means the bellower is about to engage in a mass slaughter with absolutly no care for their own safety. Expect no quarter given. Although a relitivly rare act, certain social pressures, neurological ihibitors, or defeat in a video game can cause this.
Vavey: Owned you again!

Dave: Now witness the firepower of this fully ARMED and OPERATIONAL battle station!

Vavey: ohhhh....crap

*Gore everywhere, house destroyed along with neighboring countries
by Vavey April 25, 2007
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