- Informal a rough, crude person, esp. one who is quarrelsome and disorderly; rowdy
- a worker on an oil drilling rig, esp. a member of the crew which feeds pipe into the well
- An uncouth person.
- A rowdy.
- A member of the crew of an oil rig other than the driller.
(third-person singular simple present roughnecks, present participle roughnecking, simple past and past participle roughnecked)
- To work as a laborer on an oil rig