greatest thing since sliced bread
Also, best thing since sliced bread. An excellent new invention, as in Harry swears that this new program is the greatest thing since sliced bread. This phrase, used either straightforwardly or sarcastically, alludes to the convenience of buying bread that is already sliced. [Mid-1900s]
Words nearby greatest thing since sliced bread
greatest common divisor,
greatest good for the greatest number,
greatest happiness for the greatest number,
greatest happiness principle,
greatest lower bound,
greatest thing since sliced bread,
greatest-integer function,
greathearted,
greatly,
greats,
greave