1. the process or act of going on a tangent
. 2. going way the fuck off of the original topic of conversation. 3. does this motherfucker know what we are talking about?
Person A: "Did you ever wonder how babies are made? It seems so simple, yet so complex."
Person B: "Dude, I know what you mean. My beer bottle just broke and I don't know why. I didn't think being a drunk could be so complex."
Person A: "What the fuck are you talking about?"
Person B: "Why are beer bottles so complex, and why do they lead to the birth of unwanted children?"
Person A: "Why must you go off on such a tangentation?"
Person B: "That reminds me, I accidently threw my red shirt in with the whites."