Pronunciation: KI-bow SWAB-bur
Function: noun: a person who cleans and services portable toilets.
Forman: "Henry, someone's tipped over the portajohn again!"
Henry: "Well, looks like we'll have to call the kaybo swabber"
Use #2: The train crashed into the kaybo swabber's truck at the crossing, spreading toilet paper and blue water for more than a mile.