We use this expression to say a word, we can’t remember it but we can almost remember it.
You can use this phrase in ………… language.
A: Can you remember the name of the trainer last week? I think it begins with G. Oh, it’s on the tip of my tongue.
B: Was it Gabriel?
A: Yes that was it. Good trainer.
A: What´s the name of the illness where you can’t remember things?
B: Oh yes, I know what you mean. It’s on the tip of my tongue. Oh yes, it’s called Amnesia.
A: Yes, that’s it. I think I might be getting it.