Crossword puzzle clue "add one letter and you have an explanation of what it does"

Add one letter, and you have an explanation of what it does

Sounds you might make when I say "Would you rather watch your parents have sex or have your parents watch you have sex?"

Add an explanation to

“But it wasn’t a dream. It was a place. And you, and you, and you ... and you ___ there”

Colorful card game whose name you have to say when you have only one card left

The subject with the stuff you have to add and stuff

When you have one on you, you're strapped

You might have one to visit Japan, but you'll need a bunch once you get there