A fork of Rural Dictionary
thick is some form of stupidity that is not a word used lightly
also a British insult, this is used to tell someone that they're an idiot
"you're so thick"
means, "you're so dumb"
A girl or woman that is hot AF has a sexy body, being actually thick is not true but can be true at the same time.
MY GIRLFRIEND IS SO THICK ITS HARD TO KEEP MY HANDS OFF.