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1.
1. An establishment known for serving quality fresh seafood. Typically from Maine, the phrase 'Lobster Shack' is frequently used to refer to any sea-food selling emporium.

2. A house known for the hedonistic style of it's parties. The phrase is borrowed from lobster skin, meaning the type of girls who visit the parties are often 'loose'.
1. Hey John, let's go to A Lobster Shack and grab some eats.

2. Hey Matt, let's go to A Lobster Shack tonight for that wild party.
by Mr Lobster Shack February 07, 2011