Jeff

Someone who is an addict loves drugs and alcohol but also is a complete dick head to everyone around besides other druggies like him self if you see a Jeff avoid all contact and call the police ASAP Jeff's are unpredictable and all have a Nic addiction

Man: "hey how are you"

Local fat ass: "I'm good, BRO WATCH OUT"

Man: "holy shit its a Jeff I heard all of them are like crack heads but worse"