a person who is not liked by anyone because of his negative attitude towards everyone.
(n. Lou·maag, Vulgar Slang)
1. The anus.
2. A thoroughly contemptible, detestable person.
3. The most miserable or undesirable place in a particular area.
(adj. loumagg·er, Vulgar Slang)
1. Of, relating to, or having a sexual orientation to persons of the same sex.
2. A person whose sexual orientation is to persons of the same sex.
3. A man whose sexual orientation is to men: an alliance of loumaggers.
My post has been edited but with no justification, someone is pulling a loumaag.