Means solid. Also spelt solerrd, solerrrd, solerrrrd and so on, depending on the solidity of the subject. Often used in Milton Keynes, possibly because the solidity of people in Milton Keynes required a new word to describe them.
Trying toridicule a person or thing by repeating twice, but during the second repetition replace the first consonant(s) with s-h-m.
Often used by speakers or decendents of people who speak Yiddish and German. Since a lot of words an names start with shm.
Hugo: You know you really shouldn't do that any more. You might go to prison.
Chester: Prison Shmison.
Hugo: No seriously man. I think I saw a cop.
Chester: Cop shmop
Hugo: You know, that doesn't always work. You can't solve all your problems by word shmerding them.