Definitions by saskriders

66 

Upside down anal sex from behind

Bob and Doug were both horny astronauts so the decided to 66.

66 by saskriders January 7, 2012

689 

An orgy where two people having 69 (the 8) are receiving anal sex at the same time.

Robert and Bob were having 69 when Rob and Bobby decided to join them and make it a 689

689 by saskriders January 7, 2012

fuck a truck 

The most common sexual act among vehiclesexuals. Usually involves sticking ones penis in the exhaust pipe or sticking the gear shifter up ones vagina

Jack and Jill wanted to spice up their marriage so they decided to have a threesome and fuck a truck

fuck a truck by saskriders January 7, 2012