a "cool" way of referring to any amount of money—large or small. the amount of money being spoken of depends solely on context.
Man #1. Damn!!! them rims are nice <expletive>
Man #2. I know, son; cost me damn-near a dolla g! my <expletive>!
Man #1. Damn
Man #1. Damn!! Yo' bitchazzz ride is slow, I aint gon' bet even a dolla g on dat thang
Man #2. <expletive> what/????
Just got up out that 'bing, fo' peddlin dope south side; then BOOM, bitch
back home makes me pay a DOLLA G on some child support shizz, yo.
Having recently been legally discharged from the state penitentiary, with the cause of my incarceration being my penchant for distributing contraband in the southern latitudes of my beloved city, I arrived home, only to be issued a court summons for my neglect in paying inordinate sums to support my estranged wife and children; indeed, as I recall, the sum was well over one dolla g; I will likely appeal this ludicrous ruling after consulting my attorney.