A deliberate misspelling of "seppuku" — the samurai ritual of suicide by disembowelment. The misspelling removes the direct reference to suicide, replacing it with the name of a popular and frustrating number puzzle.
I have brought greatshame to my brethren. I must now commit sudoku.
An abnormal, trance like state of mind generally attained after prolonged periods of staring at a Suduko that has reached a point
where you are completely unable to prove another number if your life depended on it.
Bob: Hi Sally, I was just wondering if everything was ok? I saw you from accross the cafe and, well to be honest you've been sitting there for
over and hour and you haven't moved a muscle.
Sally: Huh? Bob! oh Bob! Thanks Bob, I must have had a bad case of Para-Sudoku-Psychosis. I get like that sometimes when I get stuck
on a difficult Sudoku.
It's a popular Japanese math game commonly found in newspapers and publications with related games (crosswords, etc.)
On online message boards, particularly 4chan's /v/, people mix the word for Japanese ritual suicide, "seppuku," with "sudoku." The typo has since spread and became adopted in a similar fashion to "pwn" in regards to "own."
"If you seriously gave EA your money for that piece of sh*t you should just commit sudoku."
November 12th is national sudoku day!
Feel free to slam pencils on desks,and stab the person next to you because you're furious at the sudoku puzzle you're doing.