Same as "69". Said when you want to appear clever to your friends. Or used when you need to say it in front of other people for a bit of stealth conversation.
Scene-crowded diner
Waiter: You boys need anything else?
Boys: No thanks.
waiter walks away
Bill: Hey, did you ever mess around with that bird from Club Strange that was hitting on you?
Fred: Oh yeah- we got into some "70 minus 1" at an afterhours I saw her at last weekend.
Waiter: You boys need anything else?
Boys: No thanks.
waiter walks away
Bill: Hey, did you ever mess around with that bird from Club Strange that was hitting on you?
Fred: Oh yeah- we got into some "70 minus 1" at an afterhours I saw her at last weekend.
by johnnyorbit April 24, 2007