No, it is not possible to contract the typical STDs, such as syphilis, gonorrhea, chlamydia, hepatitis B, etc. from wearing someone else's dirty underwear. However crabs and scabies, may be spread in this fashion.
Tick-tock-tick-tock-tick-tock. The Crocodile or Tick-Tock the Crocodile is a crocodile that stalks Captain Hook. At some point Peter Pan had a fight with Captain Hook in which he cut Hook's left hand off and fed it to the crocodile.
At over 20 feet in length and over 1500 lbs, the Salt Water Crocodile is the largest reptile in the world. They live in rivers along Asia and Australia and there diet consist of birds, fish and mammals. Other than human hunters, this huge croc has no other natural predators.