Chin wag is a slang term that refers to a casual conversation or a chat. There are various synonyms you can use in place of chin wag, such as a chit chat, a heart-to-heart conversation, a tête-à-tête, or a powwow. A chin wag can also be known as a gabfest, a bull session, a gabbing, or a natter. Additionally, you can use the terms chat, gossip, banter, or small talk in place of a chin wag. No matter which synonym you choose, all of them refer to a friendly and relaxed conversation that is usually done between friends, acquaintances, or colleagues.