Spitfire

A flamethrower.

A lot of bodies in the pit was burned alive with spitfires.

HPB

Hollow-point bullet.

This thug was shot. In his chest was 3 HPB.

Jigsaw

The Punisher arch-enemy. Ex-hitman of the Mafia and psycho thug with a disfigured face. His alias talk about his face disfigurement (after the Punisher smash his face against the glass table and toss Jigsaw out the window - he survive, but his face was totally disfigured with glass shards and surgeons repair it like jigsaw puzzle). Jigsaw's real name - William "Billy" Russo.

Jigsaw: I'll kill you, Castle!

Punisher: Only in your after death dreams, Jigsaw.

improvised weapon

Any object or tool used as melee weapon. Examples: baseball bats, glass bottles, bricks, pens, pencils, kitchen knives, bar chairs, etc...

This guy stab my friend with a broken glass bottle. It's a dangerous improvised weapon.

all guns blazing

Full of rage,

All Guns Blazing - the Judas Priest song.

plosive

Briefly: explosive. Also wrote "X-plosive"

His head was blown up with plosive bullet.

blastmaster

Demolition man or bomber.

Twisting the strangle grip
Won't give no mercy
Feeling those tendons rip
Torn up and mean
Blastmaster racks the ground
Bent on survival
Full throttle hammers down
A deadly scream

All Guns, All Guns Blazing!

(Judas Priest - All Guns Blazing)