jarhead 
noun US informal
A marine.A lot is made in many movies of the physical training and the technical training that they experience in boot camp but I really think boot camp is to turn you into a jarhead....
- I know what I meant, jarhead, I don't need the likes of you questioning my command of the language.
Origin
Early 20th century (originally US dialect, in the sense 'mule'): from jar1 + head. The word originally referred to members of the US army, on account of the mule mascot of the Army football teams.
- rabbitish
- rabbit-o
- rabbit-oh
- rabbitoh
- rabbit paw
- rabbit pea
- rabbit-proof
- rabbit-proof fence
- rabbit punch
- rabbit rat
- rabbit run
- rabbitry
- rabbit season
- rabbit's foot
- rabbit's-foot clover
- rabbit skin
- rabbit skin glue
- rabbit's pea
- rabbit-stock
- rabbit test
- rabbit thistle
- rabbit tobacco
- rabbit tooth
- rabbit weed
- rabbit-wise