A portmanteau is a combination of two words, making a new word. Here’s a list of examples. Many have become so ubiquitous that we don’t even realize that they are portmanteaus. Brunch is one such example. And unsurprisingly, neither linner nor dunch ever caught on. A fun game is to make these up as you go through your day. And you can even use portmanteau as a verb to describe the process of making one. Because that’s how the English rolls these days.