墙头草 Traditional form: 牆頭草 Pinyin (reading): qiángtóucǎo Definitions: sb who goes whichever way the wind blows sb with no mind of their own easily swayed person opportunist Characters: 墙 - wall 头 - head; chief, boss; first, top 草 - grass, herbs; straw, thatch Traditional characters: 牆 - wall 頭 - head; chief, boss; first, top 草 - grass, herbs; straw, thatch