A person who thinks that he or she knows everything. This person tries to punctuate correctly all the time, but ends up making mistakes most of the time. People talk behind a knowbies back about how much of a loser he or she is.
rofl, look at what a knowbie that guy is.
by GohanX April 28, 2005
1 more definition
A dictionary who has taken the form of a human.
Screw Google, ask Knowbie.
by Shattoww January 05, 2005