1 definition by Bananaphone915

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
Get the Dumb Chicken mug.