The phrase describes a novelty outfit intended for celebratory occasions, specifically the Halloween holiday. This type of attire replicates the appearance of a prophylactic device and is worn as a humorous or attention-grabbing statement. A person might choose this outfit for its shock value or satirical commentary.
Such an ensemble can serve as a vehicle for discussions surrounding safe sexual practices and awareness, although its effectiveness in this role is debatable and heavily dependent on context. Historically, using clothing to convey messages or make social statements has been a practice found across various cultures, with novelty items providing a contemporary iteration of this tradition.