An anatomical cleft that forms a warm, comfortable resting place for seemingly unworldly presences, entities and odors; an ass crack.
Patient: I've been itching back there horribly, doctor.
Doctor: Well, let's take a peep in the fairy hammock.
Doctor: Well, let's take a peep in the fairy hammock.
by doonga May 17, 2013
Another word for a sanitary towel or 'jam rag'
by Link December 08, 2004