balls on torso
When one character (that has balls and is nude or bottomless) is sitting astride (straddling) the torso of another character so that the first character has their balls resting against the torso of the second.
When one character (that has balls and is nude or bottomless) is sitting astride (straddling) the torso of another character so that the first character has their balls resting against the torso of the second.