shake (something) to its foundations

(redirected from shake to its foundations)

shake (something) to its foundations

To impact something in a way that affects its very essence, especially concerning its values or beliefs. The election of the outsider candidate shook the party to its foundations, and led to a lot of soul-searching among its members.
See also: foundation, shake
References in periodicals archive ?
So, when Delve and Jones, who plays his first game since the Lions tour in the summer, clash at the Regional Rugby Stadium in Swansea, expect it to shake to its foundations.