Top definition
A baby borne from multiple male band members sleeping with either a female band member or a female roadie, Usually the father is unknown and will remain so and the baby will be raised by the whole band.
Woman: "I slept with Jim, Shady and Rick and I have no clue who the father is."
Man: "Sounds like you're having a band baby."
Man: "Sounds like you're having a band baby."
by TheMsource June 17, 2012
2
A baby produced by two members of marching band. Usually on a bus going to or coming home from a compition.
by Rebekah November 30, 2004