Do you know who I am? 

Line used a lot by celebrities and members. Of the divadom to assert themselves when in public. Reese witherspoon used this line a few years ago when she was picked
Up for drunken driving. The charging officer.
Did not recognize her so he Introduced. Himself to her and proceeded with charges

Do you know who I am? The angry business man yelled at the poor hapless gate agent at the airline departure gate the female agent not missing a beat keyed. Her mic and said:"ladies and gentlemen there's a man here at the gate who has no idea who he is! Can anyone come forward and claim same?"

Do you know who I am? by 4realazitgits April 3, 2021

Just so you know: 

"Here's me being a dick:" or "You're not going to like this but you're not allowed to reply:" are synonymous.

"Just so you know: in the new building there will be no dogs allowed." "Just so you know: I've always hated that sweater."

Just so you know: by T. Z. Müller November 11, 2011

before you know it 

almost immediately

I'll be there before you know it. If you keep spending money like that, you'll be broke before you know it.

before you know it by Gemini Fox December 16, 2013

Okay, goodbye, Edan. I just wanted to let you know that I enjoyed the good times we've had. However, I truly hate you--like, I absolutely hate your fucking guts 

One of the greatest insults of all time. Originally said by Johnathan Andrew Wicker, Junior on June, 18, 2019

Johnathan said this to Edan, "Okay, goodbye, Edan. I just wanted to let you know that I enjoyed the good times we've had. However, I truly hate you--like, I absolutely hate your fucking guts," Edan killed himself shortly after

Okay, goodbye, Edan. I just wanted to let you know that I enjoyed the good times we've had. However, I truly hate you--like, I absolutely hate your fucking guts by the milk man667 June 12, 2019

if you know what i mean 

way to make a statement "dirty"

i want to be alone by myself tonight, if you know what i mean

if you know what i mean by tommy harkness August 1, 2003

if you know what i mean 

When added to the end of a sentence makes the reader/listener look for a second meaning.

Also used to provoke confusion when there is no second meaning.

You can add "if you know what i mean" to the end of the sentence to make the reader look for a second meaning, if you know what i mean.

if you know what i mean by hackaralho December 31, 2010

a you know 

pertaining to sexual matters or sexual thoughts

What do you want to do this weekend while my parents are away? I guess we can a you know

a you know by kyle October 9, 2004