A type of guy who flirts with girls and could possibly be in a gang who sells drugs.
Yoo gelber how much cocaine can I buy?
7👍 2👎
Heidi's tutor, a nickname for a stupid person, or if you are trying to make a joke with your friends.
"Omg Becky stop being such a Fraulein Gelber!" or "Fraulein Gelber, the pond, the pond!"