Charlie Tap

A "low five" invented by a Cannabis connoisseur known as "Charlie" whereas the downward "five" is executed with then retracted as quickly possible with a severe lack of the force expected when receiving a "high five".

(It can also be used in a sideways variation)

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.