bratukha Share definition Flag It's 'brother' in Russian, written as 'братуха'. Used as a informal greeting to a blood related brother or to a close friend. Artyom, how are you, bratukha?OI! BRATUKHA! Where are you going this late at night? Bratukha, how's school? bratukha by Bratukha February 14, 2022 Get the bratukha mug.