What happens when you've just placed toothpaste on your toothbrush, you get distracted by something in another room, and it falls off into the sink.
I had just put the paste on my brush when my roommate grabbed my attention, and right before he finished speaking, I heard a splat. The toothpaste I had just put on my brush had decided it didn't want to go in my mouth, so it committed Toothpaste Mutiny.
When a group of co-workers decide on a destination for lunch, only to find that a few select members of the group have decided to go elsewhere. These individuals inform the original organizer typically as the excursion begins, i.e. on the way out the door or while in the car.
Laurie about threw a punch when she found out that her trip to dine at the elegant Thai restaurant was the subject of a lunch mutiny to Five Guys Burgers by Tyler and Brad.
While our lifespan is the number of years we will live, our healthspan is the number of healthy years we will have and our sexspan is is the number of years we will continue to be healthy enough to continue having an active sex life.
A lighthearted reaction upon receiving disappointing news of some sort. Usually something that isn't a particularly a big deal, esp. when it primarily affects someone else - sort of a mild schadenfreude. Sometimes doubled or tripled, and possibly said in a sing-songy voice for added comedic effect to imitate a muted trumpet, which is how the meme originated.
A phenomenon in film/television series, most notably streaming series, where the main premise is drawn out to such a point that it takes an entire season or more to get the parts of the series the audience is actually interested in seeing.
For example, if a series is titled "Surf Dracula," a majority of viewers would tune in expecting to see Dracula surfing by the first or second episode. However, the entire first season would instead be tedious padding and backstory before finally ending with Dracula surfing in the last five minutes of the season finale.
I watched "Smallville" on Netflix the other day. Dude, it was ten seasons of filler before he finally flew! Major Surf Dracula Syndrome!