1. a wild party involving excessive drinking, eating, or other indulgent behavior
2. an unrestrained indulgence in or outburst of something

Examples

• The festival turned into an orgy of food and drink.
• After months of dieting, she went on an orgy of chocolate consumption.
• The shopping mall was an orgy of consumerism during the holiday season.
• The celebration became an orgy of dancing and music that lasted until dawn.
• His spending habits were an orgy of financial irresponsibility.
• The art exhibition was an orgy of color and creativity.