like yes, but cooler, usually said by white people trying to immitate black people, most of the time jokingly. Usually used in combination with the word gea, so you would say gea gea.
jordan (white): yo gangster i heard you got wicked russianly crunk last night
Allan (white): gea gea
Jamal (guess): WTF DONT TRY AND SOUND LIKE ME!
means the same as yes or yeah
"Gea I fucked her"