Valmiki Ramayana Kishkindha Kanda Sarga 11 Shloka 38
Original Shlokaमत्तोऽयमिति मा मंस्था यद्यभीतोऽसि संयुगे। मदोऽयं सम्प्रहारेऽस्मिन्वीरपानं समर्थ्यताम्4.11.38।।
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अयम् this, मत्तः a drunken person, इति thus, मा मंस्थाः do not think, संयुगे in the combat, अभीतः not afraid, असि यदि if you are, अयम् this, मदः drunkeness, अस्मिन् सम्प्रहारे in striking you, वीरपानम् warrior's drink (sharpening a warrior's skill), समर्थ्यताम् consider.
'Do not consider me drunken. This drink will serve as a warrior's drink in the combat. Be ready, if you are not afraid of a combat.'