When you deposit fecal matter on your clenched fist and proceed to strike a female companion.
Last night I gave my girlfriend a Brown Falconer

What the fuck is that?

It's when you shit on your fist and a punch a bitch!
by JohnEBlaze April 16, 2011
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The art of double fist penetration of the anus followed by the flapping of ones arms like a bird all whilst squaking
I was banging this Sheila last night and I performed the brown falcon on her
by Boosted_falcon April 13, 2017
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