Your a-hole ,your pee-hole and your vagina <3
Rectum, Vagina, Mouth.
You can't screw a urethra.
Also, you could have two guys and one girl where one guy doing another guy while that guy being "plowed" is also doing or is being done by a gal. You don't see it very often though.
（￣へ￣）
There is such thing as urethra play...but I’m sure that’s not the type of urethra screwing you were talking about lmao
Her mouth
People keep saying they have three holes, wheres my third hole?