clock watching
/ˈklɑkˌwɑtʃɪŋ/
noun
- The act of frequently looking at a clock or watch because you are bored or eager for something to end.
- Clock-watching is common when you are stuck in a dull class.
- She tried to hide her clock-watching, but everyone noticed she was impatient.
- His constant clock-watching during the meeting annoyed the boss.