josh 
(jŏsh)
(jŏsh)v. joshed, josh·ing, josh·es
v.tr.
To tease (someone) good-humoredly: She joshed her brother about his strange new haircut.
v.intr.
To make or exchange good-humored jokes; banter.
n.
A teasing or joking remark.
[Origin unknown.]
josher n.
joshing·ly adv.