(n) The act of working a Sudoku puzzle while using the facilities.
Nothing beats a good poodoku a few hours after lunch.
by Puzz L. Master July 10, 2007
The act of playing sudoku while taking a poop.
You've been in there 35 minutes and I haven't heard the toilet flush. Are you playing poodoku?
by Smithers the Cat November 29, 2007