The act of Bang On It has many different meanings, and depends mostly on the context of which being used. Much like many four letter word, Bang on It is interchangeable and always metamorphosing.
In Celebration of a great job, instead "High Five", throw your fist out for a fist bump, and say " Bang on It.

A attractive female walks by, you look at your friend, tilt your glasses down and say "Bang on it."

Your working against the clock to launch a sortie, you complete the job. Your colleagues look at you in gratitude and offer a firm "Bang on it"
by Loaf_of_Bread May 06, 2010
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All I want.
I don't want relationship
I just want
Bang bang bang
I don't want to meet your mom
I just want
Bang bang bang
by Anonymous August 01, 2003
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When you go out to eat, eat a full meal, then go to another place and eat another full meal. Seen on Louis C.K.'s amazing "Louie".
My fat-fuck friend and I did a bang bang today, first Italian, then Sushi. Just kidding, I did it alone.
by Chunk63 May 14, 2014
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a music video by a k-pop group called big bang.

the video known by fans of k-pop as the ace in the hole. After two failing video's this dropped and k-posers collectively flipped shit at how amazing it was.
Girl 1: ohhh my god have you seen Bang Bang Bang yet it's amazing!
Girl 2: You mean the one by Big Bang hell yes Tae's backup dancers are drool worthy girl i want me a piece of that.

Guy 1: have you heard Bang Bang Bang yet?
Guy 2. "Video was cool lots of epic cars sounds like a song you'd hear at a club"
by white_rabbit_alice September 02, 2015
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Group sex events among lesbians who look like Justin Bieber (biebians).
I heard The Biebs has a lifetime viewing pass to all Biebian orgies, or as I like to call them, bangs bangs.

We're test marketing our new product/lube combo at some bangs bangs next month.
by nukethefringe May 19, 2011
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When you have a whole meal at one place, then go right to another to place and have another one...bang bang.
We just ate a ton of food at this Indian place and now this...bang bang
by I hope Skrillex dies May 20, 2014
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