dull - not having a sharp edge or point; the knife was too dull to be of any use. sharp - having or made by a thin edge or sharp point; suitable for cutting or piercing; a sharp knife; a pencil with a sharp point.
Herping is the act of searching for amphibians or reptiles. The term, often used by professional and amateur herpetologists, comes from the word herp, which comes from the same Greek root as herpetology, herpet-, meaning creeping.
Shipping is when you think two people who should be together like Ron and Hermione. An OTP is a one true paring which means if no one else should be together. The rest of it is just internet talk.