Shape and Size:
* His nose was like a small, crooked potato.
* Her nose was as delicate as a rose petal.
* His nose was as long as a baguette.
* Her nose was like a tiny, upturned button.
Function:
* His nose was like a sniffer dog, always picking up scents.
* Her nose was like a compass, guiding her through the smells.
* His nose was like a barometer, detecting changes in the air.
Appearance:
* His nose was like a beacon, shining brightly in the moonlight.
* Her nose was as red as a ripe tomato after she blew her nose.
* His nose was like a map, etched with lines and wrinkles from years of laughter and tears.
Feeling:
* His nose was like a furnace, burning with a cold.
* Her nose was as itchy as a mosquito bite.
* His nose was like a sponge, soaking up the scent of freshly baked bread.
Remember to choose the simile that best fits the context of your writing.