To become or cause to become full of steam; to fog up.

To gradually become excited or agitated.

धीरे-धीरे उत्साहित या उत्तेजित होना

English Usage: The crowd started to steam up as the concert began.

Hindi Usage: जैसे ही कॉन्सर्ट शुरू हुआ, भीड़ धीरे-धीरे उत्तेजित होने लगी।