Turn down a little love token (4)
(Other definitions for veto that I've seen before include "A confused vote, altogether negative" , "bar" , "Right to reject a decision" , "negative result" , "Ban; refuse to allow" .)
(Other definitions for vote that I've seen before include "What suffragettes wanted" , "Formal indication of opinion in an election" , "Make election choice" , "Make cross" , "Express choice" .)