Moon Heads are thugs (or chavs in britian) who can barely string together simple sentences without the use of the F word.
An easy way to detect a moon head is the repeated use of the phrase "arghh mate it woz such a batty crease", a Slight over bite, usually a dimond earing and the trait that got them their name; their huge, oily, spotty, shaven skulls.
In some cases they will have thick circular glasses and/or will be very short
----CAUTION----
These will be the cockiest little sh*ts you will ever meet, try and avoid this breed of Moon Heads.
When an individual believes their knowledge of "heady" subjects is unsurpassed, but in reality they are just putting up a front. Usually become very defensive when called out, and generally lose ensuing argument, though they usually don't realize it. Not a term of endearment.
The tool with all the hemp is trying to come off as a drug guru, but they are really uber heady spaghetti.
a person who is addicted to crack and is and or high on crack or lack of crack and therefore scratches there neck constantly.
known as the Crack Head's Itch