Reagan Democrat
/ˌreɪɡ(ə)n ˈdɛməkrat/US Politics
noun
A person who traditionally votes for the Democrats, but who as an admirer of Reagan or his policies may be (or has been) influenced to vote for the Republicans (now historical ). Hence in later use: a conservative Democrat.
Origin
1970s; earliest use found in The Lincoln Star. From the name of Ronald Reagan + democrat.