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"
Usually, when in a hurry to get somewhere you are forced to slow down due to a sighting of one or twocops or more.
Dude, I was so late for work this morning and I had to avoid three different "copstacles" and I had to slow down. It made me so late, but hey atleast I didn't get a ticket. Whew!