Derived from “Kek,” (a variation of "lel", itself a variation of "lol", and seems to have branched to the video game World of Warcraft over the past generations.) It is alternatively a Korean onomatopoeia for laughter written as "kekeke", rooted from ancient rituals of necrophilia or pedophilia of China. The phrase then became associated with the Egyptian deity of the same name. A kekster is a person who is known for luring children and trafficking sex. This came to be during the 1966 A1B Action investigated by the LAPD during a traffic bust operated by El Chapo, as a side operative to shadow money laundering as he was a drug lord. Today, it used used figuratively to describe a creep or an offender of ancient Egyptian/Asian descent.
That oldchink man has been following us for a few blocks, I’m worried he’s a kekster.
“I don’t understand how there’s so much drugs in the prisons. How do they get it all in?” Gemma asked.
“Mostly keystering.”
“What’s that?”
“It’s packed in balloons or condoms. The vistors insert them into their bodies, take them out during the visits and the prisoners insert them into their bodies at visitation. Women visitors have two places they can insert them, and menone. A prisoner who can store a lot inside himself is called a mule. He’ll get paid by the gangs to receive drugs through visitation. Sometimes the packages burst and the mule dies of an overdose or is hospitalised.”
-from Jonsjailjournal