Some common similes are given below.
As alike as two peas: The twins are as alike as two peas.
As cheap as dirt: Nowadays tomatoes are as cheap as dirt.
As clumsy as a bear: Peter is as clumsy as a bear. How is he going to dance?
As black as coal: He was as black as coal when he finished working in the garage.
As dull as ditchwater: The movie was as dull as ditchwater.
As blind as a bat: If I don’t wear my glasses, I am as blind as a bat.
As wet as a fish: When he reached home, he was as wet as a fish.
As busy as a bee: I was as busy as a bee the whole of yesterday.
As gentle as a lamb: She is as gentle as a lamb.
As graceful as a swan: The dancer was as graceful as a swan.
As light as a feather: Her new gown was as light as a feather.
As loud as thunder: His yell was as loud as thunder.
As noiseless as a shadow: The thief was as noiseless as a shadow.
As quick as lightning: The blow was as quick as lightning.
As simple as ABC: Arithmetic is as simple as ABC to me.
As troublesome as a monkey: My nephew is as troublesome as a monkey.
As warm as toast: The room as warm as toast, so I put the cooling on.