What is rycka?

Some articles on rycka:

Brazil's Next Top Model, Cycle 1 - Episode Summaries - Episode 7
... team had chosen most other two candidates for present Érycka and Lívia Maria ... Lana was criticised, while the jurors found the photo of Érycka a "photographic tragedy" ... Because of her bad performance at the photoshoot, Érycka was eliminated ...