I would get yelled at by my wife if I said "girl" and meant anyone over about 15. As such, given I didn't know the gender (or age) of the person involved, I te

I would get yelled at by my wife if I said "girl" and meant anyone over about 15. As such, given I didn't know the gender (or age) of the person involved, I tend to default to "guy" as gender-neutral. As mentioned by another post, "you guys" can include both genders.