Is an amazing human being and will always be there when you need her. She doesn’t take any bullshit and if she doesn’t like you it means she doesn’t like you, will always stick to the same boy but have many after her. She is brutally honest and will tell you if you look like a fat whale wearing a wig in that dress, don’t be an idiot! Be like Casey-leigh
Modern day slang for the word "Caveman". This adjective is used particularly when an individual has messy hair and ugly facial features. The term got its name from a popularinternet vlogger Casey Neistat, who highly resembles a caveman
A: "Wow, Johnny woke up late this morning and didn't have time to fix his hair. He sure looks like a Casey Neistat, am I right?"
B: "Yeah, he does."