This one gets its results by not noticing that there might be a difference between slang you use and slang you understand

Yeah. I mean, I've never called anyone a dollymop in my life. Maybe I should start . . .

thankfully, they weren't.

Is that sense of "Jerry" still common usage? I tend to associate it almost entirely with World War II films. (Or there's another common use I don't know about, and my foot is squarely in my mouth.)