A rhetorical question similar to “Does a bear shit in the woods” or “Is an elephant heavy”. Used by THE US Air Force, especially by NCO’s.
“Hey man, are you drinking this weekend?”
“Shittt, does an airman mop the floor?”
´´mopped the floor´´ is a word used mainly in the ballroom scene and the queer community. It means that someone did something so insane/great during (mainly) a performance.
´´YESS BITCH YOU MOPPED THE FLOOR´´