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Honoring someone by pouring a bottle of sparkling cider on their head.

Note: It is considered a sign of disrespect to reciprocate a Martinelli Shower. Reciprocation is permitted only in the case of a Golden Shower -- a structurally homologous but functionally distinct practice.
To celebrate closing that big deal, we gave our CEO a Martinelli Shower.
by Birgeneau May 06, 2010
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