Describes a moment or an occasion that you consider so special that you have to go celebrate with a delicious lobster, as if it was an edible trophy or...something.
Friend: He finally popped the question!
BFF: OMG! Lobsterworthy moment!

or

Son: Mom, I got first place in the science fair.
Mom: Really? I have to share this lobsterworthy news with your dad!
by Red Lobster February 3, 2015
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