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What does OSA stand for?

OSA stands for Our Special Ale (Anchor Christmas Ale)

This definition appears somewhat frequently and is found in the following Acronym Finder categories:

  • Business, finance, etc.

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Other Resources:
We have 295 other meanings of OSA in our Acronym Attic

Samples in periodicals archive:

Winter beers like Sierra Nevada's Celebration Ale, Anchor Brewing's Our Special Ale and Redhook's Winterhook use a different recipe every year.
came out with Our Special Ale in 1975 that the old holiday beer style made its contemporary comeback.