Top definition
A person who is given a high visibility jacket, at an event that is mostly staffed by volunteers, they get the High Vis Jacket and assume a false state of being better than everybody else, and basically become a bit of a wanker, bossing everyone around. This state, or disease, is called, Highvisitis
"that guy has a real bad case of Highvisitis, look how he treats everyone like slaves.."
by exhuman June 03, 2009
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