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1.
When someone goes off (often inappropriately) on a tangent about Blackpool FC and completely destroys the conversation.

Grown from tangentacide

Also used to highlight any other football related tangentacide
Person A: "I was watching the night sky with Patrick Morre last night and he said the sun"

Obnoxious Blackpool Fan/Person B: "is tangerine in places. Did I mention we beat Liverpool at Anfield!"

- Conversation Dies Completely

Person C: "That's Tangerinacide that"
by matthaisz October 08, 2010