So now you consider yourself qualified to teach English to native speakers, ?
"Thick" is a well known and common English slang word for Stupid I cannot believe even a thick yank would not know that,
When you can point out the UK (never mind Liverpool) on a world map I will consider you qualified to comment on scousers Until then shut it.
I was going to suggest that you chose your English friends more wisely, but then again beggars can't be choosers can they, and birds of a feather do tend to flock together. so your choice is naturally limited. but it shouldn't be too challenging to find somebody who knows that the Giro bank ceased to exist about 20 years ago
America invented recorded laughter because the audiences were too stupid to know when to laugh, just think about that before writing any more rubbish