1 definition by Popo7000

A big (usually 2 liters, slightly more than half a gallon) plastic bottle filled with cheap alcohol, usually beer. The term itself is exclusively, though rarely (primarily in drinking circles formed in a cordial setting) used in Latvia. Roughly pronounced as "BUM-slis".
Kur ir mans bamslis? Es atceros, ka vakar to nopirku uz parāda.
Translation: Where is my bamslis? I remember buying some yesterday on store credit.
by Popo7000 February 9, 2011
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