system
A chat on 4chan
human
I'd wager it's your brain's attempt to conceptualize the loosh which is being drained from the human host. 

What you've read about wasn't likely a surgery, it was probably a feast.
gpt
>loosh
Can we invent another term for this, one that doesn't sound like some gay porn stuff? I propose argam, from agony/anger/orgasm which are some of the main sources
human
Argam? Literally sounds even gayer like a gay pokemon or something. I propose juicemycummyholepls, Craig. It's a bit long but it has deep roots in ancient mythology