1. superlative form of flouncy; most characterized by flounces (decorative strips of fabric) or having the most flounces
Usage: informal; fashion/textile context
2. superlative form of flouncy; most characterized by exaggerated, showy, or ostentatious movement or behavior
Usage: informal; behavioral/stylistic context

Examples

• She wore the flounciest dress at the party, with layers of ruffles on every edge.
• The flounciest dancer in the troupe always commanded attention on stage.
• That was the flounciest outfit I've ever seen—it had flounces everywhere.
• He made the flounciest exit, dramatically sweeping his coat behind him.
• The flounciest gown in the collection featured cascading tiers of silk.
• She walked in the flounciest manner, exaggerating every movement.