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18. 68
1. The number between 66 and 67

2. A sexual act that will not be commented on further

3. (New definition) Code for "Fuck Hitler". Comes from "F", which is the 6th letter in the alphabet, and "8", the 8th letter, which is "H". Can be used to respond to neo-nazi morons.
1. Can you give me the answer to question 68 please?

2. Do you wanna do a 68?

3. Nazi bastard: Them joos 're fuckin' up the countree! 88!

Sensible person: You're an idiot. 68, asshole.
1. 68
You do me and I'll owe you one.
He pulled the old 68 trick on her again.
by Sex Fiend Oct 19, 2002 add a video
2. 68
A sexual(often oral) favor performed by someone without receiving the favor in return.

69
Man: "Hey baby, how about we 69?"

Woman: "How about we 68?"

Man:"?"

Woman: "That's where you do me and I owe ya one."
by jason Dec 6, 2004 add a video
3. 68
Oral sex on a snowman
by Wouter Mar 13, 2003 add a video
4. 68
One person receives, and the other one does not receive in a sexual term.

All the other definitions had it wrong so I decided I'd put mine in there.
Guy:"hey lets 68!"
their sexual preference:"what the fuck is that?"
Guy: "thats where you blow me,and I owe you one."
5. 68
Often used as a corny pick-up line meaning the speed limit of sex.
Guy: Hey sexy. Do you know the speed imit of sex?
Hot Chick: No. What is it?
Guy: 68. Because at 69 you have to turn around!
Hot Chick: *SLAP!*
6. 68
you gimme some i owe you one
yo, dat bitch gave me 68 las nite,i don even know her name
by Slobkilla Nov 6, 2004 add a video
7. 68
The speed limit of sex because at 69, you have to turn around.
'nuff said... 68
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