Somebody who lacks intellect, personal hygene and good looks.
I pulled a right munter last night.
being worse for wear in an alcoholic or chemical sense
"i was fucking muntered last night"
Short bar in wood-framing, usually the central, vertical components of a panelled door. Scottish variant of muntin, both possibly of French origin.
A short, thick chunk of wood, by extension, an ugly person.
"Whit fur huv ye pitten they munters in back ti front, son? Can ye no see the mouldings are different?"
"Ah shuttit ye auld munter"
Someone who, at that precise moment in time, is drunk/pilling/speeding etc. Also, someone who can be regularly found in said state.
'kweilo, you're such a munter.
Maybe so, but I'm still not queen of the muntered'
An ugly girl - UK slang
Word comes from some old Victorian practise by necrophiles who used to dig up womens remains and then ... not really do what you might think to them but considerably worse. look it up if you want, i can't post it on here but it's much worse than having any kind of sex with the body, but it does involve the sex organs of the deceased in some way.
A cross between a monster and a cunt
See that Lucy McRoberts? She's a munter.
e.g a person who is not exactly good looking, has fallen into the ugly tree and hit every branch or someone who is challenged in the good looks department.
"errrrrrrrrr look she's a ugly munter"