A euphemism for the cowgirl position for gay men.
Afterwards, Bob and I switched to the Stack Man-- it was euphoric.
(pronounced GEE-O)
In rural areas of South Korea, this was formerly an archaic slur/insult toward the Jews.
(Needs solid evidence, anecdotal)
My grandma still refers to our Jewish neighbors as Jyios, I really wish she would stop being so bigoted.