to be right-handed or to use your right hand dominantly
The batter at the plate was swinging northpaw
(1) The opposite of southpaw. To be right-handed. (2) An orthodox, a stance whereby the right hand is further forward than the left, whether because the person is right-handed or because they prefer their main hitting hand forward. (3) A pride of being capable of writting with your right hand. (4)Slang for right-handed.
He's not southpaw! He's northpaw! She boxes northpaw!