Top Definition
a beer that really isnt a beer, just enjoyed in equal quantity
a beer that is made by pouring various types of liquor into a cup equaling a minimum of 12oz, up to 20oz.
occasionally a small amount of mixer may be added for additional flavor.

generally 1 rosko beer is all anyone needs for a party lasting 10 hours or more.

extreme caution must be employed when enjoying a rosko beer, as 1 is sufficient to overwhelm a large majority of individuals.
wow, is he making a rosko beer?

man that rosko beer fucked me up. i dont need to drink for a week.
by gr4ndk4i November 26, 2006
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