The other kids 'ragged' [='teased, razzed'] him for having a crush on the teacher.
The other kids were always 'ragging on' me because I wasn't good at sports.
a homeless person wearing 'rags' = a homeless person (dressed) 'in rags'
(..) - That's gross. - It's just a hanky. I know, and hankies are gross. - First of all, the word is gross. Hanky. - It's just a word. Hankies are gross. A snot-covered rag that sits in your pocket all day. - That will be fine. - The snot could be anywhere. You put it back and save it for later. (..)2003 TvShow: Six Feet Under Title: Making Love Work Season: 3 Episode 6