One common slang word for gay is "queer." It is important to note that the use of slang terms can be offensive to some individuals, so it's best to use respectful and inclusive language.

There are no terms used only by gay people and not straight people. But if you're talking about gay slang, Here is a list of Gay Slang Terms.

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the term "catfishing" is not gay slang. It's a slang term for internet predators, who create a false online profile in order to lure someone into a romantic relationship. The predator may be gay or straight, male or female.

Gay IS a slang term! It means homosexual. Some other slang terms for homosexual men would include queer, fruit, drag queen, nancy, or pansy.