The phrase "vote winner" refers to a person or thing that attracts a lot of votes and has a high likelihood of winning in an election or a contest where people vote for their preferred choice. Full definition
The popular vote winners came from nine neighborhoods — and not necessarily the predictable hot spots. (hamptonsarthub.com)
Working with the MPs who have been the best vote winners it should develop an independent capacity to advise candidates to fight more successfully. (conservativehome.blogs.com)