14–15 June 2025: Waa Cow!: Free Upsized Meat for Dads with Donburi Purchase: Father’s Day Promotion by JR 11/Jun/2025 Celebrate Father’s Day with a free upsized meat donburi at Waa Cow! on 14–15 June 2025. Dads dine better with a complimentary meat upgrade when three donburis are ordered — available across six outlets in Singapore. Read more
