cheek (EN)
noun, verb

noun “cheek”

sg. cheek, pl. cheeks or uncountable
  1. the fleshy part of the face below the eyes
    When he smiled, his cheeks dimpled charmingly.
  2. (informal) the lower part of the buttocks
    When she bent over to pick up the ball, her shorts rode up, revealing her cheeks.
  3. boldness or disrespect in behavior or speech
    He had the cheek to blame me for his own mistake!

verb “cheek”

cheek; he cheeks; past cheeked, part. cheeked; ger. cheeking
  1. to speak or act disrespectfully or without proper manners
    When the student cheeked the teacher by rolling her eyes, she was sent to the principal's office.