What is 67?
1.
A state of resentment toward your partner when you try a 69 twice, and twice they fart in your face.
Man, after those two 69's I can't handle it 67 more times
See
2.
When a 69 is in progress, and only one half of the couple receives fulfillment, a 67 is declared as a promise for future payment.
Sorry for the 67, You do me, and I'll do you later
See
3.
Similar to a 69, except that one person is ass-to-mouth.
"I went to the chiropractor to get my disc realigned the day after I was 67'd."
See
4.
Its like a regular 69. Only in a 67 the man has no legs.
Hey your a moderatly attractive woman and I'm a moderatly attractive man with no legs. Lets 67 :P
See
5.
69 is the number related to anal, and 67 is the one to footjobs. Doesn't it look like so?
I thought that was obvious.