1. (politics) the consequence of one popular candidate in an election drawing votes for other members of the same political party; - Example: "he counted on the coattails effect to win him the election"
WordNet (r) 3.0 (2006):
coattails effect
n 1: (politics) the consequence of one popular candidate in an
election drawing votes for other members of the same
political party; "he counted on the coattails effect to win
him the election"