when a man hits another man in the penis and/or testicles with a quick flick of the hand and wrist.
Jameson: You stole my chair!
Kevin: Fuck off.
Jameson: Feel the wrath of the dodi tap!
Kevin: Oh god, my unborn children!
Jameson: Walk it off bastardo.
When an individual walks up to you and gently taps you in the genitalia.Commonly used with men who are really confident about their sexuality and feel like tapping other men testicles will make them manlier...God bless them