Definition of dobbers:
(n) :
(Australia, UK, derogatory) One who dobs (someone) (informs against them or implicates them to authority).
(n) :
(UK, derogatory) A member of the working class in Scotland or Ireland who is seen as undereducated, with poor taste, especially in clothes, and poor social skills.
(n) :
(British, informal) Any small electronic device that plugs directly into a larger one, such as a wireless scoring system in fencing or a USB mass storage device.
(n) :
(US, regional) A float (as used by an angler).
(n) :
(US, regional, by extension, figurative) Spirit, pluck, self-esteem.
(n) :
(Ireland, UK, especially Northern England and Scotland, slang) A penis, especially a relatively large one.