leftie (Adjective) — Believing in or supporting tenets of the political left. ex. "Gitlow was a leftie Socialist who rejected the idea of capturing power"
leftie (Noun) — A person who uses the left hand with greater skill than the right. ex. "their pitcher was a leftie"
leftie (Noun) — A person who belongs to the political left.
leftie (Noun) — A baseball pitcher who throws the ball with the left hand.