In certain cultures, it can refer to an exaggerated style or mannerism, often in fashion.

एक स्टाइल या तरीके का बढ़ा-चढ़ा होना

English Usage: The dress was so chichi that it turned heads at the party.

Hindi Usage: ड्रेस इतनी चिची थी कि इसने पार्टी में सबका ध्यान आकर्षित किया।