"person #1, "did you hear that alex wanked when there were nine other guys asleep in the room?" person #2, "yeah i know, he's a real bus pervert
the sort of person whose personality and/or previous actions suggests that they would be likely to [masturbate] on a bus (or possibly other form of public transport)
""person #1, "did you hear that alex wanked when there were nine other guys asleep in the room?" person #2, "yeah i know, he's a real bus pervert" What is the definition of "bus pervert"?