Walking by a man and quickly and smoothly tapping them on the tip of their penis using the back of your fingers. A quick backhand tap to the penis using a flick of the wrist.
I walked by John and gave him a good ole tip tap!
Someone who is a tip tap Charlie is a football player who backs himself with the ball at his feet, they are also someone who does the fancy things well. Typically a tip tap Charlie is creative midfielder or attacking player.
Jack Grealish is a right tip tap Charlie