Obby

noun, slang

noun, slang ·Moderate ·College level

Definitions

Noun
  1. 1
    An obstacle course. informal

    "This obby is going to be a dungeon-style theme. Players will have to run down long corridors, avoid traps, make death-defying leaps, and run along cobblestone mazes. […] TRUST ME, YOU SHOULD MAKE OBBYS MUCH LONGER THAN WHAT I HAVE DONE HERE."

  2. 2
    Obsidian. informal, uncountable

    "Capes ............. Obsidian (Obby) Capes, Spotted Capes, Spottier Capes."

Synonyms

All synonyms
obsidianobstacle course

Example

More examples

"This obby is going to be a dungeon-style theme. Players will have to run down long corridors, avoid traps, make death-defying leaps, and run along cobblestone mazes. […] TRUST ME, YOU SHOULD MAKE OBBYS MUCH LONGER THAN WHAT I HAVE DONE HERE."

Etymology

Etymology 1

Clipping of obstacle course + -y.

Etymology 2

Clipping of obsidian + -y.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.