Lyric discussion by rockerdude614 

Cover art for Substitute lyrics by Who, The

the girl thinks he is a rich man but in reality he is froom the working class. he is substituting his working class image for a rich image lines that really reveal this inlcude

I was born with a plastic spoon in my mouth - if you were rich you were said to have a silver spoon in your mouth, so the play on the saying is obvious

my fine looking suit is really made out of sack - fairly obviuos

Those crocodile tears are what you cry - cocadile tears are false tears so he is sayin that although you are really sad that i was really poor not rich and you are crying for yourslelf