thicc (also known as thick) is the ratio of body fat on someone’s ass to the amount of fat on the rest of their body. known to some as a compliment and others as an insult. typically used to describe females but also applies for males.
*sees a girl with a large ass and skinny waist*
“Damn bro, she hella thicc”
People say it means nice ass or big beautiful boobs but it really is a way to say their fat in a nicer term because people seem to disregard the fact that thick means big.