" stopwatches "

 [ "stopwatch" ]

1:  A time-keeping device.

  * e.g.,  ... ---"You still got that stopwatch? I think we've got a few minutes before the student get themselves in here, and I'm curious as to exactly how many minutes that might amount to." 

 [ "stopwatch" ]

2:  A phallic innuendo originating from the Torchwood television series, a spin-off of Doctor Who.

  * e.g.,  ... -"You can’t fully enjoy using a stopwatch in just five minutes.”  

 [ "stopwatcher" ]

1: a person who is obsessed with stop lights

  * e.g.,  ... dude bro pay attention to the road and not the stop lights you stopwatcher! 

 [ "alaskan stopwatch" ]

1: When doing a girl from behind, and she reaches around and pulls the condom off and puts you back in her raw.

  * e.g.,  ... My girlfriend and I were going at it doggystyle last night, and she wasn't feeling me with the condom on. So she pulled the old Alaskan Stopwatch on me and we fucked like crazy. 

 [ "Stopwatch Effect" ]

1: When a man tries to use the restroom, such as in a urinal, and another man walks in and begins speaking, breaking Male Bathroom Etiquette. The first man's stream then begins to stop flowing, and begin, as the second man starts and stops talking.

  * e.g.,  ... Man #1: *urinating* Man #2: *urinating* Hey, Bob. Man #1: *stops urinating* Stop talking, you're giving me the stopwatch effect.