I experience this very often. Sometimes daily.
“The inability to remember a particular word or name.” Oxford Dictionary
Basically, when something is at the tip of your tongue.
This word is in your vocabulary (or so you think) and it is sitting in your brain, laughing at you while you try to remember it.
Arguably one of the most annoying things that can happen to you.
Especially when you want to w…-
w…-
w…-?
What was that word again?