What was the hottest thing there was?

So what was the hottest thing / topic / etc ever? Bzw which was fully in the trend was something like fidget spinner dab or fortnite

In my time still these lickers, five-gums and these figure-arm elastics. I do not know what exactly that means.

The peace sign

I also know these figures arm rubbers.

Worms

Do you mean scooby doo ribbons?

No, these are so household gums (that's what I think they look like) in different colors eg glitter or bright and in different figures eg in dino form, hearts, …