cocktract
binding agreement whereby a female pledges to keep her vagina free of any other cock except "cocktractee" for a predetermined amount of time.
You know fucking George violates our cocktract, you owe me $1000, to get my std test, BITCH!
cocktraction
A sense of attraction that a male can determine by the intensity of erection.
I have a very strong cocktraction toward that girl with the bumpin' booty.