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.
1 The land speed record for a crocodile is 17 kilometres per hour (10.6 mph), by a galloping Australian freshwater crocodile.  Whilst some species can gallop, the fastest way for many croc species is a belly run. They move like a snake, wiggle their legs. and their tail whips back and forth.