17
Seventeen

I am sure you have noticed that ICP and Twiztid use the number 17 quite a lot. These are some examples. I am sure there are more, but you'll get the point...

Carnival of carnage - Night Of The Axe: 17 passengers ridin' it 1 naked psycho drivin it
Beverly Killz 50187 - 17 Dead: The entire song is about 17
Ringmaster - Wagon, Wagon: It aint no tellin how many clowns inside... Told ya 17 but I lied
Ringmaster - My Fun House: It's where you get beat by 17 wicked clowns... For the 17 dead bodies never found
Riddle Box - Cemetary Girl: I can tell my baby wants me, cause every night at 2:15 my baby humps me. 2 + 15 = 17
Riddle Box - Joker's Wild: Tell me, who killed 17 people and later ate their dead bodies?
Tunnel Of Love - Prom Queen: I took the 17 dollars that was in her purse
The Great Milenko - Southwest Voodoo: Follow me, and join us as we pray, to the 17 moons of Kunga Delray
The Great Milenko - Under The Moon: We were only 17, we'd be together till we die
Forgotten Freshness V. 1 & 2 - Southwest Strangla: Psychopathic, 17 dead, ya skitzofrantic don't panic, Psychopathic, 17 dead, I'm the neck cutta and I'm 1 block away
Forgotten Freshness V. 1 & 2 - Piggy Pie (Old School): I drive a Volkswagon Bug 17 deep Packed full of Juggalos, lights out and we creep
Amazing Jeckel Bros. - I Want My Shit: Taurus, born in 1775, I'm like 300 and somethin, but I'm still alive.
Amazing Jeckel Bros. - I Stab People: Violent J says Stab/Stabbed a total of 17 times
Bizzar Bizaar - Still Stabbin: I jumped up to stab him but he kicked my ass The 17'th floor, they threw me out through the glass.
Forgotten Freshness 3 - Posse On Vernor: 17 Psychopathic Sodiers Roll
Tales From The Lotus Pod - Ali Ba-Ba: Bells and chimes ring 17 times
Tales From The Lotus Pod - Headache: I'm rocking back and forth helpless will it, infest my ahhhh, My momma told me it would pass, it's been 17 days
Ryden Dirtay - Dem Bitches: Meanin' everybodie's next to hit it. 17 Rydas hit the pussy baby bitch admit it
Ryden Dirtay - Murder Follows Me: 16 in the clip, 1 in the chamber. 16 + 1 = 17
Mirror Mirror - Reflection: I want you to touch the mirror, saying Twiztid inside your mind, 17 times
The Wraith - Cotton Candy & Popsicles: In Cotton Candy & Popsicles, Shaggy said "The meal cost $13.58". (1+3+5+8=17)
The Wraith - The Staleness: I don't know why but your heart beat offends me, I need to cut you off at
thy wind pipe desperately, (Like, how about cuttin' your own neck?). I did, 17 times, why you think I talk like this?
The Wraith - The Unveiling: The final track #17, "The Unveiling", is 7 minutes and 37 seconds long. (7:37) 7 + 3 + 7 = 17

And some more facts about 17:

Code Bizaar: In the background where it has the circles, there are 17 circles.
Carnival of Carnage: Add up the letters and it adds up to 17.
Bizaar Booklet: In the bottom left hand corner of the Dark Lotus Advertisement in the Bizaar booklet it has a number 17, which is odd because none of the other pages are numbered.
Milenko CD Cover: There are 16 Stars on the Milenko's Hat. Then there are 2 HALF stars.
Psychopathic Records: It is rumored that Psychopathic Records originaly had 17 members.
Amazing Jeckel Bros: It has 17 tracks.
JCW Contender Ranking: The JCW contender ranking has 17 biographies and number 8 is the Rude Boy's and it says he has 17 cuts to the forehead and received 17,000 chair shots.
JCW Handouts: In the JCW handouts it says this "Jed Thumpman's Match Classic- Live from the 17th row".
JCW Handouts: Also in the JCW handout it says "Meet the JCW- 17 biographies".
JCW Video: In the JCW home video credits ICP thanks Alex Abbiss for purchasing the 17 foot boxing ring.
Lets Go all the Way Video: In the "Let's Go All The Way" video the very first thing you see is a population sign. The population says 12,500. Add the 12 and the 5 and you get 17.
Old area Code: The old Psychopathic area code was 1-313. The two 3's and 1 added together equals 7. Therefore you have 1-7. 17!
New area Code: The new Psychopathic area code is 1-810. Write that backwards and you have 18-1. 17!
17 Dead: Before the freestyle starts on after The song "17 Dead" when the song actually ends, check out the time. The time is 5:39... thats how long the song is. Add the numbers up and 5:39 = 17
Dumpin CD: In "Who?" on the Dumpin CD, Bullet shouts out 17 names in the beginning of the song: 1-Cell Block 2-Twin Gats 3-Full Clip 4-Foe Foe 5-Lil Shank 6-Bullet 7-Jeremy 8-Nipples 9-Tom Dub 10-Double A (Alex Abiss) 11-Stepdirt 12-Jumpsteady 13-Billy Bil l 14-Tom K 15-Mike E. Clark 16-Jason 17-Dougie
Jeffery Dohmer: Some Psychopathic songs mention Jeffery Dahmer. And Jeffery Dohmer really killed and ate 17 bodies.
The 6th Jokers Card: If you take Shangri-la, that is 9 letters. Then you take Hell's Pit, that is 8 letters. 9 + 8 = 17
Date: Look at this picture, and especially the date... 1902=17 and 9+8=17.

And what does all this mean? Violent J explains the 17 at GOTJ 2002:
On the day COC was released, it sold 17 copies. It was kinda like a inside joke with Psychopathic