A collective noun used to describe a large group of people all vying for a turn with the shared coffee machine. Usually in a workplace or shared abode.
Hey Dave, let's go grab a cuppa before the 10AM bukkoffee kicks off and all we're left with is the froth covered nozzle that's been drained of all it's life giving goodness.
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!