When that really cute girl/guy calls you "dude". It's considered instant rejection when they hit you with that right after you threw in a pickup line. This is the step right before the friend zone.
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.