cobber /ˈkɒbɚ/noun 2forms 1phrases 1 noun2 •(slang, old-fashioned) A pal, buddy, mate, friend; often used in direct address by one male to another.What's up, cobber?G'day cobber! •(Australia) A sweet consisting of a small block of hard caramel covered in chocolate. formscobbers Phrases with cobber cobber upTo make friends (with someone).