Term popularized by sportstalkjoe and his followers on Twitter, used to describe something that is particularly unpleasant, hard to watch, or difficult to deal with.
Me: “Hey SportsTalkJoe, find a job yet?”
SportsTalkJoe: “Nope, too busy injecting marijuana into my ass”
Me: “Tough Scene”
A scene in Episode 8 of Nisemonogatari, where a guy brushes his little sister's teeth, they both get super horny and almost fuck, until their other sister interrupts them and tries to stab them to death with an awl.
Friend 1: "yo, i started watching the monogatari series."
Friend 2: "awesome! where are you?"
Friend 1: "I just finished episode 8 of nise. I jacked off to the toothbrush scene."
Friend 2: "what the fuck is wrong with you?"
Friend 1: "I wanna be a dentist now."
Friend 2: " I want to be an orthodontist. BDSM for the teeth, baby."