Firepower

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