sharky biter 

Sharky is simply modifying the crime of biting. When you direct this phrase at another person, it lets them know that they're doing some serious, mean, biting.

There are some major sharky biters out there on tumblr these days.

sharky biter by Master Rob Sauce November 15, 2011

Shark Biter 

One who isn't original. Constantly biting the swag of other people to an extent greater than a normal biter.

All these marks in the rap game are just wu-tang clan shark biters.

Shark Biter by lord jansport November 3, 2008