A person that cheats (in relationships is the most common) excessively to get what they want. with no regard for others. there is also Compulsive Cheater which is similar accept its more of a habit to them, they have less control over it. Pathological Cheater has more control over it and knows what they are doing and do it anyway at whatever cost. Usually with either "disorder"/"symptom" it will be accompanied with pathological lying and compulsive lying.

symptoms:
(may include all or some)

-has cell phone locked and wont let you near their phone (includes going out of their way to make sure it wouldnt be an easy task to get near their phone)
-ignores your calls but never has a straight story as to where they were(goes with lying)
-blocks certain things from you besides their phone (facebook, myspace, live journal, aim... ect)
-smells like another male/female
-doesnt know your number
-lies..... A LOT!
-they come off distant, maybe not as sexual
-they prefer to be at your place over theirs
-you dont know any of their friends or maybe just 1 or 2

Someone who lies consistantly with no regard of others

A condition where people have unnaturally high levels of stupidity.

The condition usually sets in around 14 to 15 years of age but sometimes it can occur in younger and older people.

Symptoms include lack of general knowledge, no sense of self-preservation and obliviousness to the people surrounding them.

someone who lies constantly only for attention. they lie about the most simple things. exaggerates the situation to the point of fiction. is very nutty, and does need mental help.

A person who lies constantly for attention or for their own gain

someone like GABBIE'S EX joke love u gabbie

When someone is clearly lying but their state of mind, (usually mentally unstable) takes control and makes them lie. In some cases it can clearly be shown as a lie but the liar will continue to lie, ultimately digging a larger hole for themselves.

DSM VI diagnosis for Antifa members. Typically show up at political events with covered faces, home made shields, weaponry, and communist garb. Spew communist propaganda and attempt to suppress free speech of those that disagree with them.

Will threaten and at times commit violence against those that disagree with their ideology