A cultural shorthand, often humorous, catchy, or jargonistic, that simplifies or stylises a more complex or abstract concept, making it more memorable and widely accepted in commondiscourse.
"The funnyword for performing quality assurance by bombarding software with random inputs - akin to a crazed chimp pounding on a keyboard to see what happens - is monkey testing."
"It's this big abstract *thing* that no-one understands, incredibly complex infrastructure that stores your files so you can access them from anywhere - but anyway the funnyword for all that is the cloud. "
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.