Money possessed person who has his/her mind blinded by richness and acts like a stupid moron thinking that he/she is the king of the Universe - typically means people with ridiculously "bling-bling" appearance (tons of chains,golden teeth etc.), especially black rappers and hiphoppers. (Fusion of two idioms: "cash" and "asshole".)
I don't buy the schmegegge about Morty sleeping with Moira.
His version of the story was pure schmegegge.
The whole schmegegge was made up to get Liz a little bit of attention.
Looking or experiencing something nice after witnessing something horrid like a disgusting gif or a disturbing video. Typically used as eye bleach are nice images of whatever makes the disturbed person happy.