Top definition
A random point in a story, usually in rpg video games, where a character will be prevented from moving on until they have accomplished another story event somewhere else.
Johnny: I need to go to the next town, but they keep telling me the road to it needs to be repaired.

Alex: It's a plot boulder. Go do something else with the story and it should be gone afterwords.
by TreasureTrapped January 31, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug