When you can’t do something with your friends because you’re at the wrong place at the wrong time. It is a play on words with the term “Lamport Clocks” or a clock system based on distributing events, where your lamport lines up horribly with others.
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.