Mahabharata 1.36.21

तरुणस्तस्य पुत्रोऽभूत्तिग्मतेजा महातपाःशृङ्गी नाम महाक्रोधो दुष्प्रसादो महाव्रतः

taruṇastasya putro'bhūttigmatejā mahātapāḥśṛṅgī nāma mahākrodho duṣprasādo mahāvrataḥ

Our plain-language meaning of this verse is waiting for scholar review.