Similar to docking and can be simultaneously be done in the act of docking,

The Big Bang is the act of pressing two penises together head to head, masturbating, and producing a massive explosion of cum comparative only to the creation of the universe.
"Johnny and Richard have a habit of creating The Big Bang every time they masturbate together."
by thunderdome May 7, 2008
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guy: I feel akward talking about the 'you know what' in public.
girl: well...then call it big bang.
by Offlineuser1 January 18, 2009
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A sound that was heard when the hot water heater turned off and the shower water got cold.
by David June 10, 2004
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The very disturbing, way too short set of bangs on an extremely ugly person that make even the strongest human cringe and want to vomit. The most hideous of the Big bang is the permed bang which is of course known by it's medical term the Biggest bang!
Wow did you get a load of that freak over there? Now that's a Big bang if I ever did see one!

Virginia is a perm away from sporting the ever dreaded Biggest bang!
by C. Mike Rack May 20, 2009
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the universe was not created by the Big Bang, it was created when reptilians ruled the void and decided they wanted some ass, that is why they infiltrated earth to get some potato chips but then they teamed up with the Illuminati to eat babies.
our lord reptilians created the universe not a silly "Big Bang"
by reptilian bois September 14, 2018
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A major dramatic, often disruptive or destructive, event.
When the Warlocks get back in town, there is going to be a big bang boom with the Hell's Angels!
by I, Wreckerrr February 3, 2016
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