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comes from an anonymous quotation to the effect that "debating a (whoever) is like playing chess with a pigeon - it knocks over the peices, defecates on the board, and then flies back to its flock to brag about how it won"
He has a pigeon chess debating style.
by halconnen30mm March 24, 2009
Refers to having a pointless debate with somebody utterly ignorant of the subject matter, but standing on a dogmatic position that cannot be moved with any amount of education or logic, but who always proclaims victory.

"Debating creationists on the topic of evolution is rather like trying to play chess with a pigeon; it knocks the pieces over, craps on the board, and flies back to its flock to claim victory." -- Scott D. Weitzenhoffer (From an Amazon.com book review)
Man, trying to explain to those moon landing deniers that the Apollo program was real is like playing pigeon chess -- all they do is knock the pieces over and crap on the board.
by nemo nemo October 13, 2009
when groups play games with their pigeons (pigeons are losers who hang around a group and do everything the group tells them to because they think they are being accepted) like making their pigeons annoy eachother and even fight and it becomes a game for the entertainment of two or more groups that have pigeons
kid: i think that one group over there is playing pigeon chess with that other group cause last week one pigeon took another pigeons boxers off and threw them on the roof and today one pigeon just stole the another ones lunch
by joeschmosmacksthathoe October 26, 2006