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2.
It's the opposite of krab, and means ultra uncool.
Oh you lobsta retard!!
by Llama Jagua Kitchenette September 23, 2010
 
1.
1.The most gangsta creature to ever exist on the face of the earth!!!

2.The 'in' way of spelling lobster.

Note: a lobsta is NOT a crayfish!!
Lobstas are so gangsta man.
by Gracii July 15, 2008