Possible Clues:

• *Metaphorically giddy one (see letters 6 to 10)
• A proverbial giggler
• Perhaps it's a little female fish, she learns
• Rejected gear left by fishes one found in stream
• She's reported to be in form
• She may learn a thing or two
• Female pupil
• Misinform in speech
• In form miss?
• Oscillograph Pa dropped and smashed - one should learn