You know what they say 

A phrase used to relate a certain situation to a "known saying", the saying is mentioned by unknown people referred to as "They".

You know what they say, Karma's a Bitch.

You know what they say by Nadims January 6, 2017

you know that

1) expressing approval/enthusiasm
2) expressing that something is a well known fact or that someone has just stated the obvious

"I'm gonna gets me some vodka and smuggle it in"
" you know that shit!!"

"This office party is gonna be so lame"
"you know that" i.e of course

" I wish Rocky B hadnt changed his name to MC Platnum"
"You know that" i.e true that mother fucker its a fucking travesty

you know that by Emily Lan November 9, 2006

I know I am but what are you? 

The opposite of the widely known, stupid comeback, This will usaully get your offendor to say something stupid about themselves.

Person 1: You suck eggs!

Person 2: I know I am but what are you?

Person 1: A dipwad.

Person 2: Exactly

I know I am but what are you? by Vale74 November 30, 2010

you know nothing john snow

this phrase was derived from tv serial game of thrones , addressed to john snow by two female characters of the serial in a state in which john acted reasonably.
A person who misses a bang bang opportunity acting like a wise ass.
A smart ass treating like a guy from 70's

having refused my girlfriend's tempting request for spending the night in bed with her, she just said you know nothing john snow.

you know nothing john snow by yousef cool April 16, 2015

I don’t know 

A response my dad HATES hearing and claims I’m talking back when I use it

Dad: how do you do this?
Me: I don’t know
Dad: DONT TALK BACK TO ME CUZ BLA BLA BLA

I don’t know by XxMonzterxX December 27, 2019

Do you know da wae

When a bruda knows de wae it's when he either finds his inner-self or the solution to a big problem

Do you know da wae? My bruudas da queen knows the way. the way of curing cancer

Do you know da wae by Nook Shadow March 5, 2018

you know how i roll 

The way you are or the path you choose

you know how i roll - you know thats what i do

you know how i roll by Gordon June 17, 2006