What is Rotter?
1.
A person who is a detriment to society, someone completely worthless.
Ed is such a rotter.
2.
Someone who is generally subversive, deviant, shameless and attracted to the more gutter styles of existence.
"Look at that rotter over there, he's shit his pants, he's pissed out of his face, he's just shagged that whore without a johnny, there's red wine stains all over his lips, his eyes have gone yellow, he's got odd socks on, the flies seem to be following him, there's a belt wrapped around his arm, he's dragging a dead dog on a lead, oh and look, now he's vomiting down his front!"
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3.
An heir who is focused only on spurious inheritance claims so that he/she can get paid money now
That rotter daughter of mine wanted more money after I paid for her wedding because she thought that my investments had come good
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4.
Insult of chav origin, referring to an ugly/fat/unclean person.
"Errr, what a fucking rotter"
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5.
A really old person.
"No, I won't help you cross the street, you fookin' rotter!"
6.
Slang reference to the anal vestibule.
Try and do your girl up the rotter. Cosy!
7.
English slang meaning 'ugly'.
He ain't nice lookin' he a rottah.
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