G

I. n

American

a friend, peer. This all-purpose greeting used among black speakers (usually, but not necessarily, male) is probably an abbreviation of guy, although gangsta has been suggested as an alternative.

II. n

1.

a gram (of some illicit substance). The abbreviation is typically used in referring to cocaine, which is sold in grams.

2.

a thousand, a grand

► It cost me two g's.

3.

American

a friend, peer. The abbreviation (probably of 'guy') is used as a greeting between males, particularly in black street usage.