I understand what you are saying. This makes perfect sense to me.

A shortened version of the phrase "Know what I mean".
Commonly used with males in the ages of 10-20. These males exhibit a need to be cool with the crowd. This can often work if the objected audience answers "yes".

However, caution should be used to avoid using the term "nah mean" when the answer will be "no". This can result in a loss of coolness, thus, defeating the purpose of the term "Nah mean".

Some have also given responses with N' mean. Shortened for the phrase "I know what you mean".

A shortened version of the phrase "I know what you mean".
This is even shorter than the term "nah mean", which is shortened for the phrase "Know what I mean?".

Even though both terms are similar, they are not often confused. Humans are able to determine if a question is asked by the tone. The term "n' mean" is so short that a different tone is used.

Short for "you know what I mean". Can also be use in response, as "I know what you mean"

A variation of "that's what she said." Usually expressed with obvious knowledge, but in fact, they are taking your words completely out of context.

I know what you mean.

Stands for Know What I mean, unknown origine but quickly spreading around the web. Is related to kwym which is pronounced exactly the same but stands for know what you mean.