Can be used as a replacement words for many things such as sneaker, fucker, you're mom, or weirdo. This is not a diss, more of a complement if I say so myself. It can also be used as a filler word if you don't know what to say.
"Last night you were a real shneeker sneaking out and going rock climbing"
"I think you're the king of shneekers if I'm being honest"
When you take a dirty sloppy shit or fart that smells so bad, it requires so much solitude from the known universe and people end up projectile vomiting. Yet it is a very achievable thing on a holiday with your mates.
Mark: Wow, just unleashed the most horrendous schnerker. It smells like James' bed did after the Parham incident. Oh God
Tom: I'm glad I just started eating.
Mark: It was so sloppy
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.