thumper
n.— «Originally the designers wanted to mount a “long tom” or a “thumper” as the mech’s “main gun” but these proved far too “large” so they settled for the Schlong 2,000 Large Pulse Laser.» —“New Cappellan Mech!” by Brandon Ivie (bji6049@u.cc.utah.edu) Usenet: rec.games.mecha Oct. 18, 1995. (source: Double-Tongued Dictionary)
Further reading
Trivia time! Where in the United States can you visit Soda City? If you answered Columbia, South Carolina, you’re right! This nickname apparently derives from an old practice of abbreviating Columbia as Cola. The locals then referred to the town as...
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...