Top definition
Term used in place of Undertale when the content in question is NSFW.
Toby Fox, the developer of Undertale, invented the term in order to make it easy to distinguish between SFW and NSFW Undertale content.
Most frequently used as a tag for Rule 34 of Undertale.
/r/Undertail is a subreddit for Rule 34 of Undertale.
by Smerg the Dargon April 07, 2016
Get the merch
Get the undertail neck gaiter and mug.
Apr 20 Word of the Day
A term used to reference cannabis/marijuana/weed.
This Jazz Cabbage got me zooted. Jazz Cabbage is less harmful than Squares. I’m smoking that Jazz Cabbage boy.
by Gypsiehood97 December 30, 2017
Get the mug
Get a Jazz Cabbage mug for your daughter Nathalie.
3
A sexual/NSFW Not Safe For Work version of Undertale. Never look it up for the love of your innocence.
I was dared to look up Undertail the other day... It scared me so much, I couldn't sleep. Never again, bro.
by PastelSonSpider February 12, 2016
Get the mug
Get a Undertail mug for your fish José.
4
Another universe for the hentai-filled game: Undertale. It is under the tail which is an asshole and it's basically furry hentai.
Undertail is hot as fuck.
by trans mans September 04, 2018
Get the merch
Get the Undertail neck gaiter and mug.
5
Undertale NSFW tag. Usually used for porn, harsh words, blood.
"They are browsing through the undertail tag. I didn't know they liked undertale THAT much"
by boneme April 04, 2016
Get the mug
Get a undertail mug for your sister-in-law Julia.
6
the DeviantArt tag that is used to separate NSFW and SFW art from the game/fandom UNDERTALE. The first one of these images was uploaded 4 days after undertale as a game released. I love this shitstain of a fandom I'm in
guy one: yo have you seen what the fandom has done to undertale?
guy two: yea, there's a whole other part called undertail, the art is actually pretty good.
guy one: have you...
guy two:
guy one:
by not william afton December 05, 2020
Get the mug
Get a Undertail mug for your Facebook friend Günter.

Activity