A sexual act in which three or more males engage in an interlocked sequence of oral sex where each participant is both giving and receiving oral sex simultaneously.
Guy 1: This party is lame. The bitches are all fat. Let's head to my pad and get a 69 on.
Guy 2: Now that is what I am talking about my brother! Let's roll.
Guy 3: Woah dudes, let me get in on that.
Guy 1: Shit yeah! Man we are gonna be some chain linked mother fucka's tonight.