1. A theme party where everyone is required to wear a blouse.

2. A party at a house where the owners name starts with "Bl"
People were wearing so much rayon and silk at that blouse party!
by archinb November 21, 2012
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'Party Blouse' is the ancient term Polynesian islanders used to describe what modern society now refers to as a 'Hawaiian Shirt.' Originally reserved solely for the island elites, such as Kings and Queens, the Party Blouse has become increasingly available amongst commoners thanks to a variety of tastemakers including Jimmy Buffet, people who willingly choose to call Florida home and every employee at Trader Joe's.
"Hey Chad, you got any plans this weekend, bro?"

"Nothing yet, bro. Just chuckin' on my finest party blouse and paintin' the town brown with Evan and Skyler."

"Fuckin' sick, bro."
by KylieCyrus February 26, 2018
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