strap n.—Gloss: a firearm or a person carrying a firearm, i.e., a person who is “strapped,” which means carrying a concealed weapon. «A high-ranking gang member who was on life support after being shot, and whose sister was...
draw down (on someone) v. phr. to reveal or display a firearm and point it at another person; to draw or get a bead on someone. (source: Double-Tongued Dictionary)
thumper n. a grenade launcher; (hence) a gun known more for its power or noise than for its precision; any gun. (source: Double-Tongued Dictionary)