n. 1. The effect of eating a bat in China and that leading to a global pandemic. See also: coronavirus cause.
Due to the batterfly effect, I'm in quarantine for two weeks, all alone.

Yeah, some dude eats a bat, and now I have to spend time with my husband. Ugh!
by picc285 March 24, 2020
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a common variation to a stroke in swimming in which both arms are raised out of the water and lifted forward together in the absolute staunchest way possible.
The Bat's masterful use of the batterfly allowed him to escape the campers and continue the greatest camp tradition of all time.
by windsorcrew June 23, 2018
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