Big Boobed Gremlin.

A girl who has huge titties, but is as tall as and has a face like a gremlin. Also normally a bitch
1st guy "dude look at her huge rack!"

2nd guy "She does have huge boobs, but she looks like a gremlin, therefore shes a BBG"

Also a girl i went to school with
by Brown Bomber69 December 10, 2010
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Big Breasted Girl. Typically to describe a lady with breasts that are popping out of her clothing.
Tim:"Whoa look at Amy! , She's such a BBG!
Mark: "I KNOW RIGHT! Really wanna stuff my face in it!"
by Facts4Life January 11, 2019
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Big Bro Gang; Realest Gang; straight hoopers
by BBG JAYSON January 29, 2018
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BBG is a well known acronym for a YouTube supastar. Stands for "Bald Black Guy". You can usually find video's referencing or containing him by searching "BBG TV" or "LV MOBSQUAD" on YouTube.com.
BBG in Insane Walker (YouTube video)
by P Monkey March 30, 2009
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