the practice of eating oneself. Minor Examples include: Fingernail-biting that develops into fingernail-eating is a form of pica. Other forms of pica include the compulsion of eating one's own hair. Forced self-cannibalism as a form of torture or war crime is not uncommon.
In the film Spaceballs, one character named Pizza the Hutt (a parody of Jabba the Hutt) is revealed to have committed autocannibalism while locked in his car with no other food sources.
When you get so high you believe you are a plantsmoking yourself. Similar to autocannabalism.
Johnny: "I can't believe I just did that?"
Chuck: "What did you do?"
Johnny: "I just smoked my own kind."
Chuck: "Shit, man. Autocannablazism is serious."
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!