Used by Warhammer 40,000 players to refer to Imperial Guardsmens' lasguns, due to their weak strength in the game. Also sometimes called hot flashlights.
Guard player: "My squad shoots your marines."
Marine player: "Ooh, flashlights, scary."
Guard player: "...and my Stormtroopers have hellguns..."
Other player: "ooh, scary, hot flashlights."