A name one calls her beloved. Akin to buby ( in this case, pronounced byoo-bee).

A pet name for a tall handsome nerd with too many cell phones and laptop computers.
Girlfriend: "Good afternoon, Bubust. Have you put away the dishes yet?"

Boyfriend: "NO! I was too busy playing Jelly Kitten and Car Truck on my cellular telephone!"
by Binghonesse November 14, 2011
Get the bubust mug.