一股脑 Traditional form: 一股腦 Pinyin (reading): yīgǔnǎo Definitions: all of it lock, stock and barrel Characters: 一 - one; a, an; alone 股 - share, portion; thighs, haunches, rump 脑 - brain Traditional characters: 一 - one; a, an; alone 股 - share, portion; thighs, haunches, rump 腦 - brain