Full Idea
The essence of the social pact is that 'each one of us puts into the community his person and all his powers under the supreme direction of the general will; and as a body, we incorporate every member as an indivisible part of the whole'.
Gist of Idea
The social pact is the total subjection of individuals to the general will
Source
Jean-Jacques Rousseau (The Social Contract (tr Cress) [1762], I.6)
Book Reference
Rousseau,Jean-Jacques: 'The Social Contract', ed/tr. Cranston,Maurice [Penguin 1972], p.61
A Reaction
This is alarmingly like totally subjecting yourself to the 'Will of God', where the big problem is a bunch of priests (or worse) insisting that they know better than you do what that Will consists of. I have no idea what the current Will of Britain is.