"I'm on the edge of my ___!" (4)
I believe the answer is:
seat
(Other definitions for seat that I've seen before include "Parliamentary constituency" , "'A chair, say (4)'" , "Position (in parliament)" , "See 10" , "Somewhere to sit" .)
I believe the answer is:
seat
(Other definitions for seat that I've seen before include "Parliamentary constituency" , "'A chair, say (4)'" , "Position (in parliament)" , "See 10" , "Somewhere to sit" .)