"Pop Wood", "Popped Wood" or "Popping Wood" refers being happy or joy-filled. One of the simple pleasures of youth was running through the forest (or any wooded area) and blissfully hopping over the logs, branches and sticks that were strewn about. That term reflects back to and is a remembrance of that purest of joy.
I pop wood everytime I get to visit with my grandkids.
A term that some European mothers (especially the Dutch) use in place of the word "erection" when teaching their children about the birds and the bees.
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.