ignorant and uneducated.
"the new religion was first promulgated by rude men"
referring to a taboo subject such as sex in a way considered improper and offensive.
"Graham giggled at every rude joke"
(Gif: Ok Taec-yeon)
A kid that called me ugly after I asked him to a dance YOU KNOW WHO YOU ARE AND I'M STILL MAD
You are a rude piece of rubbish for judging by looks and I hate you.
Rude is when a person acts in an unpleasing manner or is mean.
"I got bullied at school every day. The bully was so rude.
"Oh Lola, stop being rude to your brother"
Someone disrespectful and unkind hurtful someone with malicious intent.