dobber-in

dobber-in

(ˌdɒbərˈɪn)
n
slang Austral an informant or traitor. Sometimes shortened to: dobber
References in periodicals archive ?
Adam tells Robbie that Debbie was the dobber-in - a turn of events almost as hard for him to believe as it is to say.
Adam tells Robbie that Debbie, right, was the dobber-in - a turn of events almost as hard for him to believe as it is to say.