chatterbox
tattler.
Gothic
a teller
A chatterbox LOL
I would rather say that if the person talks about how intelligent they are then i for an adult call it conceded.
cheater. when someone talks about hacks or glitches, that is like cheat
They are egotistic. Call them that
Just someone that likes women, I don't know if there is an exact stereotypical name for it though.
A person who talks less in Hindi can be referred to as "chup" or "khamosh."
nacked
The phrase "put your money where your mouth is" is often used to call someone's bluff. It basically means that someone talks a big talk but are they willing to make a bet on it.