One who drinks and/or eats their food at a more rapid than normalspeed
Stephanie is a quicksip because she ate her bagelmelt AND drank her Manhattan Irish cream iced coffee faster than Kelsey could even get half way through her regular iced coffee
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!