A group of people who watch and attempt to recreate Hentai scenes. They also spend most of their time looking/creating outfits from Hentais. Some people who somehow have a partner make attempts to convert them to Hentainism.
Boy: Look at this scene from (insert Hentai)
Girl: OoOoOoOoOoOo that looks fun!
Boy: Your part of Hentainism too?!?
by Uwwu May 26, 2018
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Hentaining

The act of having sex with someone and pretending there a hentai character, or watching hentai with vr will having sex in the same position to the hentai that is being played on screen.
"Mat you never cum!", "Is my body not good enough for you?"
"Don't worry, how about `Hentaining`?
""proceeds to have sex"" OMG MAT YOU CAME SO QUICK!! Do you really like anime characters so much?
by Megalodian February 15, 2021
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