From Longman Dictionary of Contemporary Englishpawn something ↔ off phrasal verb American English1 informal to persuade someone to buy or accept something that you want to get rid of, especially something of low quality on Don’t let him pawn off an old bike on you – get a new one.2 pawn somebody/something ↔ off as something to present something in a dishonest way The tabloids often pawn off gossip and trivia as real news. → pawn→ See Verb table
Examples from the Corpus
pawn off• I had thrown away my chances in life, pawned them off for a few cheap thrills. 