Someone who talks a lot and doesn't know how to be quiet .
Welsh word for 'rubbish' are:ysbwrial (rubbish, refuse)sothach (refuse, rubbish, trash)
It means someone talks a lot.
rubbish
A parrot. Someone who talks too much. Cocaine.
chatterbox
Conversing with oneself is known as self-talk or inner dialogue. It is a common behavior that can help organize thoughts, problem-solve, or provide emotional support.
Gothic
a teller
A chatterbox LOL
Such a person is called a chatterbox.
That person is a litter-lout, who is littering by dropping rubbish on the floor.
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
When someone goes around and collects your rubbish
"Rubbish" is a British term for what Americans call "trash".