The word ZOOBS refers to "zebrafish boobs". It describes zebrafish laboratory fish that have been genetically manipulated or transplanted with breast epithelium xenotransplant. Scientists create ZOOBS to study the genetic pathways underlying breast cancer using zebrafish (zebrafish is a great genetic model for science, but they are not mammals and therefore, they do not have boobs).
By extension, FOOBS refers to any fish modified for the same research purposes.
The term ZOOBS was initially defined by a bunch of talented young scientists from the Rosenblatt's lab at the Huntsman Cancer Institute in Utah.
I just made a new kind of ZOOBS by introducing an Estrogen controlled transgene in a clutch of Casper zebrafish.
I wish my ZOOBS help cure cancer.