A cringey trait of someone who seems to explain their actions or their words well, but is really just being unnecessarily verbose.
My definition of pompice was maybe a little pompice.
when you don't want to do something, so much so, that you, well; couldn't be fucked.
mom: "hey Jonny. take out the trash. will ya?"
jonny: "aw mom, i'm sorry but: i just couldn't be fucked."
mom: "you little shit."