In sci.astro Odysseus <odysseus1479-at@yahoo-dot.ca> wrote:

  Robi wrote:
 > 
 > Big Bertha is (in golf terms) a special golf club - a modified 'driver' - which sends
 > the golfball farther - much farther - than a regular driver.
 > 
 > Big Bertha also used to be the nickname of one of the Hiroshima/Nagasaki atomic bombs IIRC.
 > 
  Not one of those, but perhaps another bomb, or an artillery piece
  (German railway gun?). The 'uranium cannon' dropped on Hiroshima was
  called "Little Boy", and the plutonium implosion bomb dropped on
  Nagasaki was "Fat Man".

Oh. So that's why they made us change the names of the
systems we configured and were shipping to our Japanese
affiliate from 'fatman' and 'littleboy.'