" cuckoo clocks "

 [ "Cuckoo clocking" ]

1: The action of announcing the time and number of hours left in a work day at annoyingly short intervals.

  * e.g.,  ... "Seven thirty, eight and half more hours until quitting time." 

 [ "cuckoo clock" ]

1: When a man is having sex with a trach hole in a person's neck, deep enough to reappear through the mouth or other facial orifice, ejaculating at the top of the hour.

  * e.g.,  ... Noting the time, John skipped the Cincinnati Bow Tie and went straight for a cuckoo clock to commemorate the strike of midnight on New Year's Eve. 

 [ "Cupertino cuckoo-clock" ]

1: When the iPhone of everyone within earshot goes off with an alert or meeting invitation at the same time.

  * e.g.,  ... Our VP set off a Cupertino cuckoo-clock when he invited our department to the non-denominational seasonal party.