a poor man's

a poor man's somebody/something

someone or something that is similar to a well-known person or thing but is not as good He was only ever a mediocre singer - they used to call him 'the poor man's Frank Sinatra'. 'So what did you think of the film?' 'It was just a poor man's 'Pulp Fiction'.'
See also: poor
References in classic literature ?
Well, I have no objection to your contemplating Hetty in an artistic light, but I must not have you feeding her vanity and filling her little noddle with the notion that she's a great beauty, attractive to fine gentlemen, or you will spoil her for a poor man's wife--honest Craig's, for example, whom I have seen bestowing soft glances on her.
At other times, Trotty might have learned a poor man's lesson from the wintry sun; but, he was past that, now.
Trotty might have read a poor man's allegory in the fading year; but he was past that, now.
It was considered as being bad enough to be a slave; but to be a poor man's slave was deemed a disgrace indeed!
He was a poor man's son, and was born in the province of Maine, where he used to tend sheep upon the hills in his boyhood and youth.
He dared not do anything that would imply a stronger interest in a poor man's adopted child than could be expected from the kindliness of the young Squire, when a chance meeting suggested a little present to a simple old fellow whom others noticed with goodwill; but he told himself that the time would come when he might do something towards furthering the welfare of his daughter without incurring suspicion.