buddy / butty [ˈbʌdi]
buddy – n. – 1. informal – a close friend or companion; 2. informal – any male; v. intr. (often foll. by “up”) become friendly
butty – n. Brit. – 1. informal – a fellow worker, a companion; 2. hist. – a middle man negotiating between a mine owner and the miners; 3. a barge or other craft towed by another; 4. northern England – 1. a sandwich; 2. a slice of bread and butter