Listen to 俳諧の連歌 俳諧の連歌 はいかいのれんが haikai no renga (humorous, often vulgar style of renga which emerged in the 16th century)
Listen to 天狗俳諧 天狗俳諧 てんぐはいかい parlour game in which three people each write one line of a 5-7-5 poem (without seeing the other lines; often producing humorous results)