Much like taking a huge shit, refers to someone that makes you feel lighter, renewed, good.
by toiletroll_troll February 5, 2020
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abbreviate as BSNB.

1. A declarative phrase often used by losers to exclaim, in belligerent braggadociousness, some perceived advance or victory.

2. A phrase used by boheimillectuals and nerdy English majors, often ironically, to mock the ultimate futility of any personal success or advance - a phrase declared in sardonic self deference corrupted by secret ambition.
Spoken:
All you suckers can eat my hot lunch because I'm big shit now bitches now that I've dirty sanchezed both the Bush twins.

Written in cyberspace:
OMG- can you believe how BSNB Steven thinks he is after Bill O'rielly at his dirty lunch.
by Thizzom November 10, 2005
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Someone who talks a whole lotta shit with conviction. Usually is a dumb blonde but brunette, specifically named Angela.
Look at this bitch always talking a good game of nonsense she is a big shit talker aka BST.
by CAtheshit January 22, 2023
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1. Literally, noun; a pile of feces, often left outdoors in cold whether, that steams while still warm/fresh.

2. Slang, noun; fecal matter that is potent and/or offensive in smell.

3. Adj.; to express dissatisfaction with either a person place or thing.
1. My dog left a big steaming shit in the yard.

2. I don't know what he ate, but that was a big steaming shit he left.

3. This night turned out to be a big steaming shit!
by stinkyfinger November 3, 2013
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When someone offers to help you but you want to act harder than them so decline

Often used ironically
Me: Just downed half a bottle of vodka, gonna be hard to finish the rest
Them: I can help you finish it if you like
Me: Na this is big boy shit mate.....but cheers
by SarcasticSilas September 16, 2018
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To take a big fucking shit, or to see a big fucking shit, when a human or non-human takes such an enormous shit that it is commonly called a big fucking shit
Jessica: OMG, that is one big fucking shit
Casey: Man i didn't know i could get them that big
by BFS Creator October 8, 2008
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When you need to urinate and unexpectedly end up taking poop at the same. As they say, “Expect the unexpected!”
Attmay: Did you just take a dump?
Prilay: Yes, why?
Attmay: I thought you just had to tinkle.
Prilay: Expect the unexpected!
Attmay: That must have been a Big Brother Shit!
by Pr3mis September 15, 2018
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