Hip means either cool or "same" like they can relate. It depends on the way you use it but hip can mean either same, I feel you, or cool.

When you eat dirt for the first time and leave your family to build a shack in the woods

another way of saying “i know”

Cooler than cool, the pinnacle of what is "it". Beyond all trends and conventional coolness. Not to be mistaken for "deck".

What many woman hate about themselves yet many men find attractive.

An outdated word that, when used to describe oneself, means the opposite of what its user assumes its meaning to be. Mostly used by older people in an attempt to be accepted by younger generations. Often used in conjunction with urban slang used in the wrong context

The hottest part of a womans body.
See: Shakira