A useless member of society. Can commonly be found stealing money from his parents, buying drugs, or bragging on Instagram. They usually wear Adidas tracksuits, Nike shoes, and are commonly skinheads. They can be found in South Slavic countries such as Croatia, Serbia and Bosnia. They commonly use the phrase "Ide gas!"
Person 1: Jesi vidio onog gasera na Črnomercu?
Person 2: Ne to je bio fake gaser, on nije čak ni jednom ukrao novce od nikoga.