What are you trying to achieve?
You don't want sound gambits like the Queen's Gambit because you say they are over analyzed.
You don't want unsound garbage, which is basically the King's Gambit and every Gambit you don't list.
Are you just dying to sacrifice material or something?
I would like to know more about gambits and opening traps in general. Can you suggest a good resource (books, videos, courses, etc.) that teaches thems? Keep in mind that:
- I'm not interested in King's, Queen's, Benko, Evans, and in general gambits that are very well covered in main opening theory (so i don't need further research to know more about them)
- I'm not interested in gambits that gives me a bad position if my opponents doesn't blunder, unless it's one of those like the Stafford, which should be bad against perfect play, but i believe is very difficult to face. Also i believe some are just trash, like the Tennison, it almost never works.