To stealsomething in a manner similar to that of a black or homeless person.
Damn, that bitch just ghettosnatched my last Newport cigarette (cigarette commonly smoked by black people).
or
Fuck, that belimic bitch just ghettosnatched the last piece of pizza...what a waste. (Belimic bitches are commonly greedy, over-eaters, similar to that of a homeless person given a beer).
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!