A crocodile in a dream is usually a symbol of danger, someone or something in your environment is dangerous, take care and be vigilant. It is possible that someone close to you will cheat you; you will be disappointed on your friend. Try to think about what is a source of a danger for you, you may have enemies.
see: someone really wants to meet you
many crocodiles at the same time: surprise!
be bitten by it: you may be at risk
chase it: do not act rashly and do not take unnecessary risks, because you will experience failure and disappointment
kill it: you will defeat a dangerous enemy