From Longman Dictionary of Contemporary Englishon the edge of your seaton the edge of your seatgiving all your attention to something exciting The film’s ending had me on the edge of my seat. → edge
Examples from the Corpus
on the edge of your seat• He was waiting for her answer, not exactly on the edge of his seat, though.• This dramatic opening had me on the edge of my seat!• Chesarynth perched on the edge of her seat, fearing a poisoned needle in the cushions.• From the moment he took the rostrum, Gergiev had his musicians tensely perched on the edge of their seats.• We're on the edge of our seats.• The movie's last scenes kept us on the edge of our seats.• This keeps you on the edge of your seat.on the edge of your seaton the edge of your seatEXCITEDwaiting excitedly to see what happens next a gripping movie that will keep you on the edge of your seat → seatExamples from the Corpus
on the edge of your seat• He was waiting for her answer, not exactly on the edge of his seat, though.• This dramatic opening had me on the edge of my seat!• Chesarynth perched on the edge of her seat, fearing a poisoned needle in the cushions.• From the moment he took the rostrum, Gergiev had his musicians tensely perched on the edge of their seats.• We're on the edge of our seats.• This keeps you on the edge of your seat. 