Your mom's idiot boyfriend, who is a piece of crap, and willnever grow-up.
mom: "Just drop it already."
piece of crap (idiot boyfriend): "No, you drop it!"
mom: "Can you just grow-up already??"
piece of crap (idiot boyfriend): "Make me!!" *in a mocking voice* "Can't you just grow-up already??"
It is an operating system that is disliked by the creatorof it(or CEO of the Company that released it), or the users. For example when Bill gates was interviewed and pointed out that he doesn't likevista.
"Man, after Bill Gates said he doesn't like Vista, it made me feel like I'm using a piece-of-crap-OS!"
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.