Possible Clues:

• Response to ''Where are you?''
• Naturally, it's not outside
• Where one might make 'er an essential bit of this
• Fashionable woman's magazine's last feature, essentially
• ''Psst, __!''
• Stick to telling people which room one is in?
• Stick out there? Definitely not
• ''Psst!'' follower, perhaps
• Hider's whisper, perhaps
• ''Psst!'' follower, sometimes