No shit 

US Army slang with multiple meanings depending on the inflexion used, two of the commonest are:-

a) Are you giving me the facts?
b) I am telling you the absolute truth!

Get your gear together, there's been an attack on Headquarters and we're goin' out to hunt Charlie!
No shit?
No shit!

No shit by Croatalin November 7, 2013

No Shit 

1. An expression used to state the obvious.
2. Not owning or possesing something.

Man: *Cough *Cough *Cough
Woman: Sounds like you got a nasty cough!
Man: Yeah? No Shit!

Man 1: I need money!
Man 2: I have no shit on me.

No Shit by niftymatt October 19, 2005

no shit 

the absence of feces.

there's no shit in the toilet.

no shit by square root of negative 1 January 8, 2012

No Shit 

an exclamation conveying a mixed sense of gladness and surprise over a matter of common interest between two or more people

Billy: "I just unloaded a major dump in our new bathroom!"
Tom: "Any residues?"
Billy: "Clean as a whistle"
Tom: "No Shit!"
Billy: "that's right"

No Shit by heythewhat January 4, 2012

NO SHIT 

Ejaculative exclamation (NO SHIT !!) used to affirm the assertion that what was just told is the absolute fucking truth even though it totally sounds like utter bullshit.

REN: "Oh no! I'm completely out of shit. NO SHIT !!"
STIMPY: "NO SHIT?"
REN: "Shit no !! (I wouldn't shit my favorite turd.)"

NO SHIT by Chengo Bolemongo October 6, 2006

No shit 

Obvious statements or answers

Brain: Hey Eric is that bitch old man Donald trump President

Eric: No shit sounds like u been living under a rock

No shit by his girl is awesome June 12, 2018

No shit 

1. When there is there is no fecal matter present
2. An over-used expression, said when one states something obvious. Can also be used as a substitute for "duh".

1. Doctor: Do you have the stool samples?
Patient: No shit, sorry.
2. Kid1: Mrs. __________ is a very homosexual teacher.
Kid2: No shit dude.

No shit by doctorDipshit April 2, 2009