talking about bruno is a euphamism for being allowed to watch movies with cursing in them, obviously used by children a lot.
let's have a sleepover! my parents are fine with us talking about bruno.
credit is a modern synonym for 'trust'. not being able to give credit also indicates that you are less friendly to the addressee/think less of the addressee.
"sorry link. I cant give credit. come back when you're a little... mmmmmmmm, richer!