B: “I definitely know what BBN I’m talking about”
A: “Did your fat fingers make a new word again?”
B: “Nah, she really does have basic bitch nature lmao”
by DaddyIssues317 October 9, 2019
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BBNS or “big brain nigga shit” is an abbreviation used in situations where your homeboy or “nigga” says something in a “big brain” manner.
Nigga: *says something smart*
You:that’s some BBNS right there
by yogurtwater December 10, 2019
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Acronym for "be back never", a derivative of brb. Used when one no longer has the desire to continue chatting, and wants to ditch the conversation.

Usually typed as brb, with the intent of bbn.
cool guy:Hey, he's so annoying, i'm gonna pull a bbn.
friend: sure =\
noob: yea, and then, bla bla bla...
cool guy: Hey man, brb.
noob: Ok
*never comes back*
by Lindendragon July 6, 2005
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To get drunk, get into bed, and have sex.
Wanna do a bbn?
by Dr. Fes December 3, 2010
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ay bitch, whats your bbn ting lemme get it
by mrstealyodad September 18, 2018
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A song which became a trend on tiktok where it flashes you R-34 especially of female anime characters, Similar to Dec 22 Incident.
"I'm in the trap-"
"DONT SAY IT!"

"im in the trap bbn"
by chuusmatress June 20, 2023
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