Boat scenario

boat scenario, n. 1. any chapter of an adventure which takes place on a boat, thus trapping the player characters in a confined space for a requisite amount of time, with no immediate way for them to escape. 
2. describes any scenario that traps the PCs in a confined space for a certain time, and robs them of their freedom of movement; usu. a negative experience.
Ex: "Trapped on the starship for forty days in light speed, with nothing to do? Talk about a boat scenario." [AF]