left ‧ y BrE AmE , leftie /ˈlefti/ noun ( plural lefties ) [countable]
1 . especially British English informal someone who has left-wing political ideas – used to show disapproval:
a group of liberals and lefties
2 . especially American English informal someone who uses their left hand for writing, throwing etc
—lefty adjective :
I don’t get on with his lefty friends.