A wife, girlfriend or generic term for a woman. The US Marines has another codename for a different group of people: Suzy Rottencrotch. That is what they call all women. Suzies. The idea behind the "Rottencrotch" is that women are just like men, except that their 'dicks rotted off' and now they have a gaping hole instead. Source: Military Slang
2.) A nasty trick with an STD, based on her military beau off to serve the country while she serves the neighborhood.
(褌?, ふんどし) Popular until World war II, Samurai warriors wore them as underwear. Now worn as swimwear or sported during various occasions like the Hadaka Matsuri were thousands of men would gather at the Saidaiji Temple in Okayama for the naked festival. It is also worn by sumo wrestlers.
Once a symbols of women's rights in the 1850s, the bloomer underwent several transformations in the underworld of undergarments. Popularized by suffragette, Amelia Bloomer. They were eventually replaced by drawers or knickers.