Yuck is a 4 letter English word. It's valid Words with friends word worth 14 points.
You can make 15 anagrams from letters in yuck (ckuy).
An Americanism dating back to 1965-70; expressive word
Moving on past the yuck factor, you may wonder whether drinking blood might cause some indigestion.
Just to add to the yuck factor, his wife worked in the same office.
Taylor Swift saw Selena Gomez kissing Bieber backstage at an awards show, and made a very obvious “yuck” face.