Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "japer" in a sentence
"Tristram, for he is the best bourder and japer, and a noble knight of his hands, and the best fellow that I know, and all good knights love his fellowship."
"Right so came Dinadan, and mocked and japed with King Bagdemagus that all knights laughed at him, for he was a fine japer, and well loving all good knights."
"Sir, said Lamorak, then will I counsel you deal no more with him, for meseemeth by his countenance he should be a noble knight, and no japer; for methinketh he should be of the Table Round."