Following the bathroom rules, number 8 is to vomit, take a shit, urinate, and masturbate at the same time.
"Yo my boy Anthony is nasty he pulled a number 8 in my bathroom!"
by Eddie Y. October 12, 2007
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A sex position.

The man is sitting on a toilet in an entirely white room, taking a crap, as the girl is sitting on his lap fucking him. The girl is pregnant, and also has her period at the time as well. Both male and female are crying, and vomiting on each other. The male has a skunk duct taped to both arms, and is beating the girl senseless with the skunks bodies, producing a terrible stench on top of everything else. The girl must be in mid-labor and the male is fucking the baby back into the womb. Both members are sweating, and all bodily fluids are coming out at this time.

The only way The Number 8 is completed is if the man successfully ejaculates with all of the above occurring.
Frank: Wow John, you look awful...and you smell awful...and theres two dead skunks duct taped to your arms...what happened?

John: I just completed The Number 8...

Frank: Thats impressive.
by Alekz Rainoldz March 08, 2008
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When you shit, piss, cum, excrete snot, sweat, blood, puss, and a fart all at the same time.
by TIMMAH von SHIT September 04, 2007
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The number 8 is the devils new number. It has satanic vibes and is the worst thing that could've ever happened.
The number 8 is sad, tragic, canceled, pointless and overrated.
'What's your favorite number?'
'oh, number 8'
'shit you belong to hell'
by okiwantscrunchies October 29, 2019
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Sex rule stating, "All women like it in the ass; some just don't know it yet." Can also be used as a verb.
"My girlfriend and I proved Rule Number 8 last night; now she can't get enough!"
by Blackbird Pilot August 30, 2009
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