A metaphor used to describe one's anus.
"Myra bent over too moon us. Unknowingly to her everybody saw her brown spider."
by JollyRoger20 February 1, 2006
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A fart that makes a shit stain in your underwear looking like a spider.
My stomach hurts so bad. I guarantee there’s a shit smelling brown spider in my drawers.
by PeteyPaplo October 21, 2018
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A colloquial expression used for the anus and sphincter, taken collectively and most often, in the context of pending or on-going sexual activity, such as anal sex or rimming. It is often abbreviated simply as "ABS" in the interest of brevity.

Even with slight, random muscle control over the anus, when said anus is viewed by an observer / sexual partner, the anus resembles the body of the spider. Moreover, the wrinkled folds of skin surrounding the anus ( or pucker) lend the appearance of an arachnid's limbs (i.e. a spider's legs) flailing about.

Naturally, said "arachnid" legs are thought to be moving in anger as the anus goes through various degrees of relaxation or tension, with the anger being a reaction to the threat of imminent exploitation that the anus is likely to experience at the hands of another participant.

Although the term is usually applied to women it may be used for men as well.
Did I tell you about that chick I slept with at the party last night? Turns out that she was BIG into anal, so she showed me her angry brown spider...and as I slipped it into her brown, she gasped but then told me to 'take her soul'.
by justplainnuts January 6, 2010
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A phrase which refers to the fact that certain media franchises have to provide a shocking and unexpected element in their teaser trailers to hook the audience.
Cloud Strife in Smash Brothers is a Doc Brown Spider Monster.
by Yosheib December 11, 2019
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The spider that every spider becomes if Arachnophobia is more than just a movie for you.
Girl- Get it away from me, it's a brown recluse spider!

Girl's roommate- That's a granddaddy longlegs. What the fuck is wrong with you?
by The Original Agahnim September 29, 2021
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Spiders that kill you in your sleep when they come inside every fall.
The guy from Canada claimed to have lost his entire family to brown recluse spiders. For him Arachnophobia was not a movie, it was his life ever since he lost them.
by The Original Agahnim September 29, 2021
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