Of something that is easy to do because it is the least burdensome and most desirable option, but that can also be considered difficult because people do not readily do it despite knowing that the option is available to them.
Similar to "facetious" and used for something untrue meant to be funny or misleading, with a sense of teasing or being playful, but having the root word of "feces" (excrement, waste, good old #2) used when the intent is to tease in a really shitty, mean way.
"I'm sorry honey, I was being fececious when I said I wanted to go to bed with that other guy."
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.