I don't even know what that means

This phrase is tagged to the end of one's speech in order to reveal an innuendo or undertone. It is expressed with a wide-eyed expression and a tone of confusion. It is often synonymous with "That's what she said".

Unlike "That's what she said", it is proper for one to add this phrase to the end of his/her own speech, as well as for others to do the honor for him/her.

Scott: "This female's pelvis has been articulated... I don't even know what that means"

do you know what i mean like

An unintelligent filler phrase used by people who like the kardashians. It adds zero value to a conversation.

Yesterday my cat ate the dog food, do you know what I mean like?

You know what i mean jelly bean

Telling some one you care or love

Showing them you got a cute nick name can help catch their attention. Show how cute you can be

Telling some one you care or love

You know what i mean jelly bean

I don't know what X means, but it sounds disappointing

A phrase used by anyone who knows it. which displays a "I don't care, but i do at the same time" feel when its said.
The X can be replaced with anything, but depending on what X is changes "what" and "means", if its a person, it would instead be "who" and "is".
Usually saying this phrase, they put on a depressed tone and slur their words, specifically "sounds", and "disappointing". Usually said like : "Soounds Disappoooointingg..."

I don't know what X means, but it sounds disappointing.
1. Hey, meet my friend Bob!
2. I don't know who Bob is, but it sounds disappointing...
~or~
1. Try this food!
2. I don't know what food means, but it sounds disappointing ...

Know what that means

When you've encountered a potential lie or stretched truth.

When someone doesn't want to be honest with you, but you know better.

Zack: There's a cool Grand Opening happening here soon, do you wanna go?
Ben:(thinking) Yeah sure, we'll see what happens closer to the date..
Zack: Know what that means..

lol I know what that means

basically when you start to flashback an example of a cute japanese word

P.1: Hey do you remember something you search of an example of how a cute japanese word is used?
P.2: 😳 *vietnam flashbacks*
*going back into how the P.2 searched "Nya" and how it see an example of that word*
"Chelsea: Nya Nya~
Sarah: Meow Meow, lol I know what that means!!! ^__^"
P.2: oh f*ck 😳

you know what that means

FISH.

when you're just there minding your own business and then you hear the following words:
"You know what that means"
FISH.

Origin: YOU, ME, GAS STATION on YouTube