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.
Origin:
"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.
1.When a weak chess player challenges any chess player who is above and beyond their capibilities to possibly beat them. 2. when a chess player believes he is better than a stonger opponent(pride but for chess).
"Dude you have some big chessticles to challenge kasparov"
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.