thumper
n.— «I’ve had to join the arms race and get a “thumper,” a 40 mm over-the-shoulder grenade launcher.» —“Fear is knowing an AK-47 owner” by Barbara Reynolds USA Today Jan. 27, 1989. (source: Double-Tongued Dictionary)
Further reading
If you speak a second or third language, you may remember the first time you dreamed in that new tongue. But does this milestone mean you’re actually fluent? And a couple’s dispute over the word regret: Say you wish you’d been able...
A flashlight doesn’t flash. It provides a steady beam of light. So why is it called a flashlight? The earliest versions lit up only briefly before the batteries gave out and required a recharge, so they were literally “flash lights...