Green’s Dictionary of Slang

-bandit sfx

[ironic use of SE bandit]

1. [1950s+] used in combs. as a generic for a minor criminal practising a particular speciality.

2. [1960s+] in combs., a homosexual, see arse bandit n., arsehole bandit under arsehole n.

3. [1990s+] an obsessive, a user.