be ten a penny(redirected from are 10 a penny)
be ten a penny
To be very common, ordinary, or widespread. At first they were quite novel and interesting, but now these little organic cafés are getting to be ten a penny. Trashy crime novels like his are ten a penny, but at least he's doing what he loves.
be ten/two a penny(British & Australian)
to be very common TV cookery shows seem to be ten a penny these days.