from the words "fear" and "erection," a fearrection is an instance where sudden and unpredicted fear elicits a prompt fear-induced erection. This can be caused either by feeling a lack of control or a sudden burst of adrenaline or exhilaration.
Sexual arousal combined with a feeling of intimidation and uncertainty, generally provoked by powerful/forceful women who are physically attractive. "Business sexual" clothing contributes to the condition. Referenced in the TV program, "Workaholics", on Comedy Central.
Adam was being reprimanded by his boss when he experienced a fearection. Her power was both erotic and dangerous. Her threats of violence decreased, but did not stop, his desire to make sweet love to her. His friends Anders and Blake confirmed that this is a fearection.