Man whore
I don't know if you can call it "slang" but for a man seeking exclusively towards married women are called; "Gigolo," or "escort." Those two are paid professionals. Freelancers are commitment-phobes. They don't want the responsibility of a wife, and think a married woman will keep her mouth shut.
To get hitched is slang for to get married.
The slang term is Fish-Wife.
In Haitian Creole, "swagg" can be translated as "estil" or "fason."
The slang term is a "beard."
Yenta, someone who meddles in others affairs Putz, jerk Gonif, jerk
The term "on the lam" means to be fleeing or in hiding, usually from the authorities. It is commonly used to describe someone who is trying to escape capture or evade detection.
An Acteon is an obsolete slang term for a cuckold, a man married to an unfaithful wife.
Joined together. It is also used as a slang term meaning "married."
It is slang for mistress. A women who is in a relationship with a married and/or taken man.
Beauty (pronounced bewdy), grouse or bonza. Any of these can mean that the state of affairs is better than average up to first class.
"Pat Malone" is rhyming slang for "on your own". So if you are "drinking with Pat Malone" or "drinking on your Pat Malone", you are drinking alone, by yourself (Usually regarded as a socially unacceptable practice). The term does not apply exclusively to drinking, you can go on holidays "on your Pat Malone", you can watch TV "on your Pat Malone" or you can work "on your Pat Malone".