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banana nose

A large, unusually long nose.

button nose

A nose with a small size and a relatively flat, round shape, usually considered to be dainty or cute in appearance.

camel's nose

A situation where the permitting of some small act will lead to a larger undesirable act or circumstance.

cut off one's nose to spite one's face

To harm oneself as a result of attempting to harm an adversary.

give someone a bloody nose

To defeat or frustrate someone, but without doing any permanent damage.

keep one's nose clean

To stay out of trouble, especially by avoiding unlawful behavior.

lead by the nose

To cause to follow blindly.

look down one's nose

To regard as inferior or distasteful; to hold in contempt.