Instead of male masturbation using a hand, one uses the inside of the elbow to masturbate. Jerking the penis with the inside of the elbow, making a motion akin to a chicken flapping its wings.
Mark: Hey Steve, did you jack off last night?
Steve: Yeah, I did the dumb chicken. Felt like a real vagina!
Mark: Steve, you're a virgin.
by Bananaphone915 February 27, 2019
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when someone is being dumb, a bum, and a chicken.
girl 1: “why is she doing that? “
girl 2: “idk she is being a dumb bum chicken
by 19328382838 July 8, 2020
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