One who eats CHEESE NiPS, there for one who is not an OG CHEEZ-IT eater.
In other words, someone who cannot be trusted.
*DO NOT BARTER WITH A CHEESE NIPPER, THEY WILL RIP YOU OFF*
Nick tried to barter his CHEESE NiPS, but Mark realized he is a conniving CHEESE NIPPER and declined any offers.
A hardo is a person who tries extremely hard at everything. Most times a hardo will try very hard at things that do not require excessive effort. For example, sports practices, gym class, etc.
Wow did you see Jack at practice today? What a hardo!