Though used most often for gangster/gangsta today, it originally meant God and was coined by the Nation of Gods and Earths also known as the 5 percenters.

The religion identifies all black men (or others affiliated with the group) as their own god.

Most of the words definitions related to 'g' all define it as gansta or something related to gansta culture. The original use of 'g' came from a divided sect of the Nation of Islam, this sect known as the 5 percent nation. It was originally used to promote a belief of godliness or god being a thing that could be achieved from within, and was used in the context of refering to members of the 5 percent nation, also know as the nation of gods. The HipHop group the Wu-Tang Clan commonly uses 'g' in this sense.

It is a lowercase version of G. It is after f and before h. On the keyboard it is the same too.
It can be used in good, great, gum, glass.

Based on the bra cup sizes (AA, A, B, C, D, etc), a term for a girl or woman with large breasts.

A close friend

$1000 or 1 gram of drugs; term for an unfamiliar male; Gamma hydroxybutyrate (GHB)

The littest penguin ever to grace club penguin. He has 44 pairs of socks and some lit goggles.