A tightly rolled up towel, tiny tooth brush, boot brush or anything else your DI tells you. Used in Marine Corps boot camp by "this recruit" to polish or clean floor while running holding the towel in front of them hard to floor. Usually in most cases being barked at by the DI's war.

Short for ultimate bias. Typically used by fangirls and fanboys to describe their favourite celebrity amongst the many that they are fans of.