JOSH
kid, chaff, jolly, josh, banter
(verb) be silly or tease one another; “After we relaxed, we just kidded around”
Source: WordNet® 3.1
Proper noun
Josh
A diminutive of the male given name Joshua.
A city mentioned in the Book of Mormon.
Etymology
Of disputed origin, but first attested in the mid-19th century as a verb. The earliest example is capitalized, so it is likely a nickname of the proper name Joshua (see more there). Perhaps it was taken as a typical name of an old farmer.
Noun
josh (plural joshes)
An instance of good-natured banter.
Verb
josh (third-person singular simple present joshes, present participle joshing, simple past and past participle joshed)
(transitive) To tease someone in a kindly or friendly fashion.
(intransitive) To make or exchange good-natured jokes.
Source: Wiktionary