What is Nude Pact?

Legal Definition
A translation of the Latin "nudum pactum," a bare or naked pact, that is, a promise or agreement made without any consideration on the other side, which is therefore not enforceable.
-- Black's Law Dictionary
Legal Definition
A naked promise; a promise without consideration. See 42 N. Y. 493, 1 Am. Rep. 576.
-- Ballentine's Law Dictionary