My Dad is 80 years old and a WWII Vet. he still calls fly spray "bug bomb" or just "bomb" (An expression from WWII). I'm glad he doesen't fly much anymore (he used to carry fly spray in his luggage when he went to Florida)
About fifteen years ago now, a co-worker of mine in the oil industry took a commercial flight to bring a piece of oilwell data logging equipment to a work site.
When he got to the security checkpoint, the folks there took a look at the odd-looking narrow tubular device, several feet long, and scratched their heads. "What is this?", they asked.
My co-worker answered without thinking, calling the device by its standard industry name: "It's a pressure bomb".
Much excitement ensued.