You ain't shit

= You're nothing.
However, 'you ain't shit' isn't necessarily an insult. You can comfort someone by saying that they are not shit.
You ain't shit vs. You are shit is definitely not the same. 'Ain't' is a general negation vernacular term.

FuckBoy : I cheated on my girlfriend and I don't even feel guilty haha
GoodMan : Really? You ain't shit, dude! (insult)

by SNBX June 27, 2016

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You little SHIT!!!

An awesome term to use when someone is being, in fact, a little shit.

Harry Potter flipped off Dumbledore, and Dumbledore ravagely screamed, 'YOU LITTLE SHIT!!!'

by Carliann May 23, 2007

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you aint shit

you just trashy,ain't nothing but a bum,creep,loser,coward,waste,etc
or someone who can't do nothin,but eating,playing and sleeping

A:godamn it,you always mess everything up
B:sorry man,but i aint mean to....
A:shut the fuck up,don't explain,you aint shit!

by Emagician August 3, 2005

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You are full of shit

A personal conjecture towards another informing them that you do not believe what they are saying. A way of telling someone that what they are telling you is a big steamy pile of smelly bullshit. Hence they would be "full of shit".

someone - "I am such a badass I fended myself from four bears last year after we got lost on the canoeing trip"

you - " You are full of shit."

by Didnt use my real name November 8, 2010

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