On the edge of your seat
English Idiom
Meaning: When someone is deeply engrossed in an activity, especially one filled with suspense or excitement, they are highly attentive and eager to see what happens next.
Origin: The idiom 'on the edge of your seat' originates from the theater and cinema, where intense scenes would cause viewers to lean forward in anticipation. This phrase has since been adopted to describe any situation that is thrilling or suspenseful.
