Enter a clue or pattern or both:
The Clue
Thought after an after-afterthought: Abbr. (4 letter answer)
The Answer
PPPS
Tags
Notes
The answer PPPS is rarely seen, appearing only about once every 2400 puzzles.
Related Clues
Afterthought #3: Abbr.
Third addendum to a letter
Third afterthought in a letter: Abbr.
Third afterthought in a missive: Abbr.
Third line at the bottom: Abbr.
Definition
PPP as a noun:
1. (palatopharyngoplasty, PPP, uvulopalatopharyngoplasty, UPPP) = surgical resection of unnecessary palatal and oropharyngeal tissue to open the airway; intended to cure extreme cases of snoring (with or without sleep apnea)