haikai no renga (humorous, often vulgar style of renga)
Historical term for a 16th-century style of linked verse that favored humor, wit, and sometimes vulgarity, in contrast to the more refined ushin renga.
See also: 連歌
Haikai no renga was popularized by poets such as Yamazaki Sōkan and Arakida Moritake.
Haikai no renga had a major influence on the later development of haiku.
Renga is the broader genre of classical linked verse; haikai no renga is a specific humorous and often vulgar subgenre that emerged later.
Haikai refers broadly to the comic or unorthodox poetic tradition; haikai no renga is the linked-verse form within that tradition.
Compound of 俳諧 (haikai, 'comic, unorthodox') + の (no, possessive particle) + 連歌 (renga, 'linked verse'). The term refers to a specific historical poetic form.