A moving star floating around in the air used to symbolize being dizzy, drunk, sick, or light headed. A term called squeans in cartoon artwork when a caricature has stars or circles around the head. To be hit so hard on the head that you see stars.
To use Emoji "Dizzy" in VK copy the Emoji-symbol or its HTML-code from the corresponding text field and paste it into comments, private messages, status and wall posts.