Someone who doesn't know how to be in a relationship but is extremely manipulative and mentally unstable and only knows how to cheat on you.
"Bro I heard that girl cheated on her boyfriend and told him she doesn't think having sex with someone else is cheating."
"Yeah man, she's Rachel Hoejack."
"Wack. I'm gonna stay away from that one."
the act of intentionally having an off-topic conversation in a thread in order to prevent the thread's original topic from being discussed
When xbabycakesx made a thread in which she posted pictures of her new tattoos, some righteous guardian angel of messageboard crusader hijacked it by posting animated .gifs of nefarious cartoon tubers engaged in devious sex acts, thus preventing her from losing face by shifting attention away from the embarrassing photos she had posted.