1. normally used as another form of yucker
. it is used to describe someone that is really foul, obnoxious, and annoying.
2. someone who does something that can be classfied as yook or yuck.
3. someone who does something that generally makes you want to swear at them.
1. That's my pencil, give it back you yooker!
2. Ew, you're having an affair with my WHAP teacher, you're such a yooker!
3. Hey, stop being such a yooker.