«-er» в толковых словарях и энциклопедиях:

  1. -ER

    1. The addition of the suffix ER to an adjective, to create a noun. Thereby turning a characteristic or behaviour into a descriptive name. If someone behaves in a gay way, they become a 'gayer' or if they're being greedy they are a 'fatter'.…

    Urban slang