Someone who looks and/or acts shifty/dodgy, particularly on a night out when trying to get with girls, but not exclusively in such an environment.
See tags below for the traits of such a person.
1. "Did you see (insert name here) trying it on with that bird last night? What a Rogue Operator!"
2. "Why is that guy lingering around the shop? He looks a right Rogue Operator!"
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