A Game, often played in the glasgow area, similer so the game "Finger or Toe"
The game involves Two players who take turns in putting their finger up ones Anus, the bum, or onto ones Boab or Boaby(Scottish term for Penis).
The players then put their finger to the opposing players nose in the hope he/she would guess incorrectly.
Playing Boab or Bum;
James-(Putting his finger on his Boaby)
Daniel-"Thats Defo a Bum man"
James-"Unlucky, Thats a Boab"
Daniel-"Where The F**k has that thing been"