As a Noun: 1. An eagerness to have sex or sexual intercourse or the fact of being easily sexually aroused. English = sexual excitement. Informal English = randiness, horniness. 2. The moment of greatest pleasure and excitement during sexual activity. English = orgasm. As a Verb or Adjective: 1. To be eager to have sex or sexual intercourse or to be easily sexually aroused. English = (be) sexually excited. Informal English = (be) randy, (be) horny. 2. To experience the moment of greatest pleasure and excitement during sexual activity. English = have an orgasm.