The act of repeatedly inserting one, two, three or four fingers to penetrate the vagina of a female.

Similar to finger banging, however usually done in a tropical or beach environment (Although some debate that it can be done anywhere even rat infested incest ridden trailer parks and piss flooded club toilets HOWEVER the minimum requirement for a Fonga Bongan is a warm summer-like day or the sound of bongo drums.
Jayden: Yo G, whats good, how was your holiday to Barbados?

Gervonte: Yes Jdot, it were lit, plenty of gyal, i fucked 2 different gyal every day, 4 on Friday and Saturday but Sunday I seen Rihanna pon road! u know she from Barbados yeh; so she were just driving by, stopped the car, asked me to get in and u know how i do, I smashed that ting for 26hours that day like a savage!

Jayden: Raaah, i swear you’re a bad man G, nobody does it like you. Rihanna..Yo hold up, ain’t that Tyrell over there. I swear he said hes going, Yo Tyrell!

Gervonte: Yo fuck Tyrell, the niccas been hating on me since day1, always watchin what i do. Don’t holla that nigga.

Jayden: Yo G don’t say that about your dad. That nigger 65 and still hustling to pay for them Jordans, Yes Uncle T, everything cool? Gervonte just been tellin me about the madness, all the gyal he been smashin, he locked the game off over there and dont get me started on Rihanna.

Tyrell: This lil nicca been talking shit again? the only game he had was holding hands with the 55year old hairy sweaty English lady.

Gervonte: Yeh after i held her hand i took her by the palm trees on the beach, drank coconut water played some Fonga Bongan!

Jayden: Damnnn nigger how you miss that out of your story, nobody gives a fuck about 4girls a day or Rihanna if you done a fonga bong. My nigga, you right your daddy is a hater, yo fuck you tyrell, u talk shit to Gervonte again, me n him gonna fuck your baby mother real good.
by Kaydotshot June 1, 2019
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