1.) Fun for the whole family!

2.) A word that all morons and ignoramuses mispronounce as "inKest."

3.) What Ultra-Conservative Christian family values are based upon.
Hector: "So I'm having an affair with my step-sister. It's not like were related or something!"

Beauregarde: "She's not your step-sister...she's your half-sister, you inbread dumbass! You're comitting incest!"

Hector: "So I'm having an affair with my.....wait, what?"
by Ozymandius June 19, 2010

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Having coitus with one of blood relation
"Listen here nigger, if anyones having sex with my sister its gonna be me!"
Incest
by Clayton Bigsby! January 08, 2009

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The cruel word associated with having hot dirty sex with family - like your sister and her fine ass. It's wrong mostly everywhere eventhough the bible fucking said that all human life decended from two sibling fucking away. God dammit.
Brother "Gigitty gigitty gigitty gigitty let's have sex."

Sister "Sure!"

Mother "Only if you guys won't tell, cuz that's incest."
by I8outurm0m August 28, 2010

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When you fuck close relatives.
Incest is fucked up.
by jdle13 March 13, 2007

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Brotherly love, if you know what I mean.
Incest: He likes to "keep it" in the family, if you know what I mean.
by TheNoodleGod2012 August 04, 2012

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brings a whole new meaning to the phrase "come at me bro"
Ronnie's sister: come at me bro!

Ronnie proceeds to indulge in incest
by swaggathuggin May 22, 2011

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when someone copulates with their own blood relatives. In the states it's relatively sick. It's when some dude bangs their own relative.
Some time in the early 2000s, a mother and a son appeared on The Jerry Springer Show saying they were in love with each other, but in truth they were committing the sick act of incest. They wanted to have a baby together, and the crowd chanted "three headed baby, three headed baby, three headed baby."

The conclusion of that one was that the mother and son are motherfucking freaks. Who'd fuck their own mother? Can you imagine what their fuck child would look like -- *shudder*

It's like when a brother and sister are bumping uglies then the sister gets knocked up. They don't know what the fuck to call their kid (son/nephew or mother/aunt)
by UncleFossil December 26, 2010

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