A less than attractive lady.

A girl who is horrideoulsy revolting, may even crash your computer screen while viewing her facebook profile

(noun, New Zealand slang)person lacking in intelligence who is prone to causing harm and injury to own self.

1 extremely ugly person
2 someone who is completely wasted on one or all of the following drugs; Ecstasy Speed/Amphetamines Magic Mushrooms, LSD, Poppers Ketamine or Cocaine, usually in combination with copious quantities of alcohol. Commonly displays symptoms of sweating, dishevelledness, gnawing of the inside of the cheeks, gurning (often without realising it), inability to focus, barely capable/ incapable of stringing a coherent sentence together.
Calling someone a munter can be used as an insult, or perversely as a druggy term of endearment amongst fellow wasters

A person regularly impaired by alcohol or recreational drugs (see Muntered). They are often useless and disorganised people with poor personal hygiene. They are often associated with punk and anarchist subcultures. They are usually suffering from the permanent mental and psychological effects of such a lifestyle. These individuals usually live illegally on 'protest sites' such as camps in woods, or live in squatted housing.

Someone so hideousely ugly that one has the physical urge to beat them to death with a heavy object.

Very very ugly person, the next step up from being a minger, who is just ugly.