What does it mean to dream about crocidiles or alligators?

i had a dream that my friends baby had a crocodile or an alligator inside of his stomach! somehow we cut the baby stomach open and there was a the crocodile or alligator? can someone please help understand this dream... i know it mean deceitet or false friends!!! its pretty funny cause i dont trust my friend that was in my dream... she seem shady like shes hiding something... PLease Help