The "tentacle blade instance" founded and made popular by Southpaw refers to any instance in which a character has the will, means, and resources to kill another character, and when given the opportunity, chooses not to with no further explanation. Most excuses given are the character forgetting to use their resources or calling them arrogant.
Person 1: "Hey, why doesn't Doc Ock ever kill Spider-man with the blades in his tentacles? He wants to kill him and has so many chances."
Person 2: "That's a tentacle blade moment and bad writing."
by the massive big O January 16, 2022
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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)
by hai_bai November 7, 2010
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A type of adult anime or hentai which features characters (stereotypically and disturbingly young females) getting sexually violated by penis-shaped tentacles of a demon or mollusk or malfunctioning machine. Usually the tentacles produce an impossible amount of semen, and in some cases, the victim is fucked to death. How somebody can create or even get off on that shit is beyond all known logic.
Wapanese otaku are known to masturbate furiously to tentacle-rape hentai pics.
by otaku killer September 2, 2003
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An exciting British prog band, started in 1983. They have an amazing interesting sound.
The Ozrics are my favorite prog band. Period.
by Erp the Wizard August 17, 2004
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Usually in adult-oriented Japanese Anime, when a large tentacled monster violates a woman in several orifices with his tentacles.

Also used synonymously with phrases like "took it up the ass"
Man, I got fucking tentacle raped at work.
by Omniverse March 28, 2003
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The act of sexually assaulting a woman with tentacles. Since no human being can really sprout tentacles, this is generally restricted to Japanese Hentai. A versatile entity, such as a robot or alien, can perform tentacle rape on multiple victims at the same time.
Guy: you're a freaky slut aren't you
Girl: yea baby, give it to me
<Guy sprouts tentacles and rapes her orfices>
by blarg July 8, 2004
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Any of a wide variety of primarily Japanese hentai anime films, dealing with demons or space creatures with multiple appendages not unlike tentacles. Many are either naturally occuring shapes i.e. round with suckers, or often times have genitalia, usually of the masculine variety. See hentai, sailor fuku, and anime for additional info.
Wow!! That was so amazing! Did you see the way those things pounded her? That is straight tentacle porn, my friend!
by Anaksunaman June 20, 2004
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