尻馬に乗る

しりうまにのる

to follow suit

Meanings

  1. expression, godan verb, idiom to follow suit; to imitate or follow someone blindly
  2. idiom to ride on someone's back; to ride someone's coattails; to take advantage (e.g. of another's popularity)

Its kanji

In sentences

自民党じみんとうが小しょう泉いずみ人気にんきの尻馬しりうまに乗のった。 The LDP rode on the wave of Koizumi's popularity. #74811