Banter (noun)

1. Good-natured teasing or joking between friends or associates.
2. Lighthearted and playful conversation, often involving teasing or joking.
3. Amicable teasing or joking that is meant to be humorous or good-natured.

Origin:

From the middle english banteren, from the old french bantere, from bant ("a song, a mock song"). the term has been in use in english since the 16th century.

Examples:

1. The two old friends engaged in friendly banter about their college days.
2. The coworkers often engaged in banter to relieve the stress of their jobs.
3. The banter between the players on the field was lighthearted and good-natured.
4. The banter between the couple was a sign of the deep affection they had for each other.
5. The sarcastic banter between the siblings was a regular feature of their interactions.