Definition of Joshing

Babylon English Dictionary
laugh at, joke about, tease, "pull someone's leg"
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Joshing Definition from Language, Idioms & Slang Dictionaries & Glossaries
English Idioms WM 1.3a
fool, tease, kid 
Quit joshin' me. Tell the truth.
Australian Slang
just kidding
WordNet 2.0

Verb
1. be silly or tease one another; "After we relaxed, we just kidded around"
(synonym) kid, chaff, jolly, banter
(hypernym) tease, razz, rag, cod, tantalize, tantalise, bait, taunt, twit, rally, ride