What is bbj?

The abbreviation "bbj" can stand for several things, including:

1. Business jet - a smaller, private aircraft used for business travel.
2. Brooklyn Botanic Journal - a publication dedicated to the study of plants and gardens.
3. Bazooka Bubblegum Jelly - a type of flavored jelly made with bubblegum flavoring.
4. Beejsball jerseys - clothing worn by players of the Bee Junior Baseball league.

Without more context or information, it is difficult to provide a more specific definition for "bbj."