two-way sex

For two men to both stick their penis's into the same vagina/anus/mouth at the same time. Not only could it involve two men and one woman, it could also involve three gay men as well.

Person 1: Where did Mark, Luke and Sarah go?
Person 2: Two-way sex most likely

Number Two the Hard Way

When your female partner is sitting on the bowl taking a number one, you take a number one at the same time in the same bowl

To save time, we go Number Two the Hard Way

two way saw

when a person is giving oral and receiving anal or vaginal sex at the same time.

hey man me and this dude were giving this girl the ol' two way saw

Two-Way Wiper

An individual that is so stingy, that after wiping their ass with some toilet paper, they flip it over and use the unsoiled side.

Steve: Fucking Jim wouldn't even loan me five dollars so I can buy a slice of pizza.
John: Well, what do you expect? The guy is a Two-Way Wiper!

St Vincents two way

The St. Vincents two way is when you are having vaginal intercourse with a hermaphrodite while simultaneously masturbating the penis of the hermaphrodite.

"I gave my girlfriend the old St Vincents two way"

two-way

A type of body suit or singlet with a two-way zipper that goes all the way between the legs and can be undone from the bottom or the top.

A two-way makes it so much easier to use the bathroom or have a quickie at the club.

two way adaptor

1.
Someone who swings both ways, e.g. a bi or bisexual.
2.
A person who behaves & acts like a member of the opposite sex. Also a person who wants to be more like a member of the opposite sex, e.g. a transsexual.

1. Neil: "What's the story with Jerry? One day he's dating that blonde, then last week I saw him out with gay Ken."
Bill: "Didn't you know? He's a two way adaptor."
2a. Hey, that guy acts like a real pussy - a two way adaptor if ever I saw one.
2b. I can't wait for my operation. soon I'll be transformed from Michael into Michelle. Meanwhile I guess I'm just a two way adaptor.