Billiard Hall Hustler
Puzzle 17 of Hellos and Goodbyes Easy Pack
Question is: Billiard Hall Hustler
and the answer is: POOLSHARK
Word Meaning:
POOLSHARK — (billiards, snooker) A hustler who disrupts a game for his own advantage, such as by feigning incompetence to attract bets, or by harassing opponents.
Definitions from Wiktionary.