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A large party, often marked by lavishness and showiness. Derived from two filipino words of varying dialects - pamanhickan and parmalaiyee, both meaning a pre-wedding get together in which the marrying families discuss their input to the wedding, and hence show how much clout they will carry in the family.
The X and Y families will host their permahickey on Thursday, two nights before the wedding.

When used in a broader sense:
There will be a permahickey at Liberty park for all the residents of the barrio Z.
by BoobSano December 28, 2009
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