A person who mistakenly thinks they have enough skill to hack a computer of other electronic device.

Invariably, this ends up with bricked equipment and an embarrassing trip to visit a real hacker who can possibly revive the equipment.

This person is usually identified by their shouting of expletives such as heck and muthafucka while peering inside a computer.

Totes Heckers = Totally Hectic

Which is obviously a good thing.

Generally used to describe something which is pretty good, or used as sarcasm in some cases when your mates are talking something up, when in reality it isn't that great.

A generally annoying person

Used to express disbelief, or a difference of opinion, this phrase can be used to respond to any statement made by someone that you think is not truthful or that you simply cannot believe. alternative to It does not yeah right as if

Coming from the term checkmate in chess and the Aussie slang word for hectic
Simply, it means:
Being in checkmate in a game of chess or,
"Checkmate mate, that's hectic"

what minecraft addicted 9 year olds user as an insult

A Hecker is someone that makes you go "What the Hell" but in a Family Friendly way.