Possible Clues:

• Senile person
• Old fool injecting almost extinct bird with preservative
• Person who is weak-minded, especially through senility
• Person with mind weakened by age
• Do start to be too old to get the doctor up at last
• Oldie suffering thanks doctor coming around after bash
• Oldie in party running late with yen to leave
• One in second childhood
• Weak-minded type
• Feeble old person