The act of jerking off whereas both balls and cock are in one single grip. This results in the balls protruding forward and the scrotum running along the shaft of the penis. The length of the stroke is restricted only by the elasticity of the sack.
When a post-operative transsexual aggressively masturbates with particular attention paid to their repurposed glans which is now LARPing as a clitoris. Because of the violent nature of the act the neobean will often experience trauma and in extreme cases fall off.
Diana, "Did you hear what happened to jon?"
Jennifer, "No, what did he do now?"
Diana, "He was speed-bagging his neobean so furiously it popped off and rolled away!"
Jennifer, "Wow, did he find it?"
Diana, "Don't think so. Rexy was seen licking his chops so it doesn't look good."