A shatfish is someone who pretends to be someone they're not using Facebook or other social media to create false security, particularly to pursue deceptive online falsehoods.
Darren has 10 facebook accounts so he can try to make himself look popular.. he's such a shatfish.
by Totes Wild March 28, 2016
A mixture between a shark and catfish
That big-ass shatfish just swam under the bridge!
by imsogreat January 03, 2012