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The act in which a goalkeeper in football fails to save an easy shot or even worse causes the goal himself.
Person 1: Did you see the goal last night?
Person 2: No, was it good?
Person 1: Not at all, it was a total Claydon.
by JappyJap May 31, 2013
(v) Past tense of Clay (to ejaculate). Hence, have ejaculated on.
Last night, the best thing happened, I was claydon
by VileVitruviant January 03, 2009