Top definition
To engage in sexual intercourse with two other parters simultaniously.

Generally involving two males and one female. Mostly one of the males will insert his penis into the females mouth whilst the second male inserts his penis into her vagina or anus.
"That chick does three way."
by U.S. Census Board April 23, 2003
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Jul 15 Word of the Day
The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.
Billionaires are having a dick swinging space race while the earth experiences record breaking heatwaves that cause sea creatures to literally cook inside their shells. We need planetary quarantine.
by monkeylabor July 14, 2021
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2
While driving in a car, the act of coming to a three way stop sign. In order for it to be considered a true three way, you must arrive at the exact same instant as two other people.
Person 1: I had a three way with Debbie and one of her girlfriends yesterday.
Person 2: Is that so?
Person 1: Oh yeah, true story
Person 2: How was it?
Person 1: Boy, let me tell you, that Debbie sure can stop!
Person 2: You mean go...right?
by IAMSODOT April 11, 2005
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3
When you have sex with two other people at the same time, or are involved in a sexual situation with two people at the smae time.
Girl sucking man's dick while another man fucks her in the ass.
by Tabb June 17, 2005
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4
"three way" is short for "three way call". A telephone conversation that includes three people.
Guy: do ya two ladies wants ta gots uh three way wiff me? sho 'nuff!
Ladies: You sick bastard!
Guy: i meant uh three way telephone call. what 'chew trippin foo'
by GanstaG October 21, 2010
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5
When ordering a roast beef sandwich with sauce, mayo, and cheese
Franky: What are ya gettin on your super beef
Don: Three Way of course
by MrMirbi July 27, 2010
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6
A chili meal, most popular in Cincinnati, that consists of pasta, chili, and cheddar cheese.
by Jen October 15, 2003
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