You commit to watching a tv series with someone else, usually a partner, but watch an episode, or more without that person. Especially egregious if you watch a season finale without your tv partner.
Zach: Wanna watch the last episode of Game of Thrones tonight?
Emma: Oh, I watched that last night when you were working.
Zach: Wtf! You're television cheating on me hoe??
The okc effect is when you continue chatting with someone on okc instead of meeting them. Usually, it sets in about 10 minutes into a chat, potentially earlier. After onset of the okc effect, one or both chatters get unrealistically high hopes based on a false sense of intimacy. In turn, the okc effect becomes a vicious circle. The pressure of meeting becomes higher and higher, so you continue chatting and chatting.
Dood 1: I've been chatting for weeks with this totally hot guy on okc. He's super cool.
Dood 2: when are you gonna hook up man?
Dood 1: soon, maybe next weekend.
Dood 2: dude, totz okc effect! You ain't never meeting. You're too chicken shit he may be fugly.
Basically, a goatee. But neatly trimmed or wild, it looks like the pubes around a facial vag - hence, it's a face cunt. The expression is common slang in Germany: Gesichtsfotze.
Dood 1: bro, you are sportin' a total face cunt
Dood 2: what the fuck dood? You wanna pound that hole or what?
Dood 1: yeah, that pussy looks pretty sweet to me bro. Open wide. But keep it tight.