A form of anime or manga, part of the hentai genre, where some kind of strange alien creature shoves its tentacles up a girl's vagina.
Save the schoolgirls! Use tentacle free products!
(An anti-tentacle hentai button I got at Nan Desu Kan '10)
(An anti-tentacle hentai button I got at Nan Desu Kan '10)
by hai_bai November 07, 2010
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