Top definition
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.
Man #1: *urinating*

Man #2: *urinating* Hey, Bob.

Man #1: *stops urinating* Stop talking, you're giving me the stopwatch effect.
by KingBreaker July 04, 2011
Get the mug
Get a Stopwatch Effect mug for your Aunt Beatrix.