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1.
being able to speak a second language fluently but only speaking it when you're drunk
yo did u know mike can speak spanish? yea, only when he's plastered though, he's beerlingual
by big c-dog June 12, 2006
 
2.
-bi(ə)r li ng gwəl-

adjective
speaking a foreign language only well enough to get a drink.

noun
A person only fluent enough in a language to order a drink.
Though Jack is illiterate, he is beerlingual enough to get a beer in any country he visits.
by Osiris Black August 11, 2009