Top Definition
To perform spectacularly badly at an attempted task or activity, in a flourishing display of unprecedented misfortune.

Originates from the roleplaying game, Dungeons & Dragons, where a die must be rolled to determine a players' level of success in performing certain tasks. Rolling a one in such a situation would almost certainly cause the task to fail catastrophically.
Person A: My chocolate fondue fountain just exploded somehow, and ruined my entire house.

Person B: Wow, did you just roll a one, or what?
by Batomilami July 26, 2011

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