hit someone for six

hit (one) for six

To upset or overwhelm someone, especially suddenly or unexpectedly. Primarily heard in UK. News of my father's sudden death completely hit me for six.See also: hit, six

hit (or knock) someone for six

affect someone very severely; utterly overwhelm someone. British informal In this expression, six stands for six runs, referring to a hit in cricket which sends the ball clear over the boundary of the ground for a score of six runs.See also: hit, six, someone