Australian slang; for the container that which chopped up weed is stored during a sesh. Small lunch/crib boxes are usually repurposed for this task. Hence the name
"Oi mate i'm fangging a cone; can you pass us the chop box?"
"Fuck I left the chop box back at the park" - Some 15 year old esh cunt
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!