like water off a duck's back

like water off a duck's back

Fig. easily; without any apparent effect. Insults rolled off John like water off a duck's back. The bullets had no effect on the steel door. They fell away like water off a duck's back.
See also: back, like, off, water

like water off a duck's back

Readily and without apparent effect. For example, The scathing reviews rolled off him like water off a duck's back. This expression alludes to the fact that duck feathers shed water. [Early 1800s]
See also: back, like, off, water

like water off a duck's back

You say that criticism is like water off a duck's back when it does not have any effect at all on the person being criticized. Insults like that are like water off a duck's back after all these years. He insists that the chants from the fans are like water off a duck's back to him. Note: The feathers on a duck's back are covered with an oily substance which stops them absorbing water so that it flows straight off them.
See also: back, like, off, water

like water off a duck's back

Without any apparent effect. Ducks' feathers are waterproof. The preen (or, formally, the uropygial) gland at the base of the tail produces oil that spreads and covers the birds' outer coat so that water forms droplets on, but does not permeate, the feathers. That's why a critical remark that doesn't bother the person for whom it was intended rolls off like water off a duck's back.
See also: back, like, off, water