The removal of the testicals. (Most likely painful, as one would imagine.)
Test, being testicals and -ectomy being a suffix meaning the removal of; therefore, producing the word testectomy.
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.