Like a Cat on a Hot __; Anxious and Worried
Puzzle 15 of Hand Sports Medium Pack
Question is: Like a Cat on a Hot __; Anxious and Worried
and the answer is: TINROOF
Word Meaning:
TIN — (uncountable) A malleable, ductile, metallic element, resistant to corrosion, with atomic number 50 and symbol Sn.
Definitions from Wiktionary.