Top Definition
An Exumbra is someone who calls the worst switches, tunnel visions targets, and is obsessed with having the most damage done whether your team wins or loses a battleground or arena match. Being an Exumbra is a sure fire way to reach glad every season.
WRATHFUL DUELIST EXUMBRA POPPING COOLDOWNS ON SHAMAN SWITCH TO HIM........................................NVM
Exumbra jumped off the bridge and line of sited his healer; exumbra has died.

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