Subtle way of saying gang bang in front of the person you intend on having it with, without their prior knowledge. whether it be two or more men/women teaming up on a woman/man, or a group of friends that know they all have the easy in with a certain individual.

Originated in San Antonio, TX
Guy 1: yo I just got a text from homegirl!

Guy 2: I just got one too!

Both: GONGO BONGO!

Or

Girl 1: Hi I'm (name goes here)
This is my friend (name goes here)

Girl 2: Hi there.

Guy: would you ladies like a drink?

Both girls aloud to eachother: Gongo Bongo!
by Winston Sirtrill January 15, 2011
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