In world of warcraft when inviting members to your group, a keyslayer is a player who notoriously causes problems that prevent you from timing the key or completing it all together.
See Nickheals.
This key was going so well until the keyslayer started dying repeatedly causing us to not time it.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".
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.