Everybody uses it, but do you know where the word came from?
What's the big deal about sex toys? Why be wary of them? Sheldon has a word about that!
Wonder about words that sound profane but really aren't? Sheldon has a word about that.
A hot dog can't cost THAT much Can it? Sheldon has a word about that.
No one would trust Sheldon with actual students of...well anything would they?