Definition #1 (standard usage): When you say you're going to go somewhere to hang out and party, but then cancel the plans at the last minute.
Definition #2 (sexual usage): When you say you're going to come, but then you don't.
Paul had been telling his friends for months that he'd come to the big new year's day party...but then he pulled a woo.
So I was banging this chick in a church one day, but right while we were in the middle of it I looked up and saw Jesus up on the crucifix glaring down at me, so I decided to pull a woo.
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.