A word used by those who write fanfiction. It refers to a idea, storyline, or pairing ect. that was not promoted in the original work the fanfiction was based on. Antonym of canon.
The fanfiction's plot was so non-canon that readers could hardly make a connection between it and the original work.
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.