Definition of Cheeky

Adjective: cheeky (cheekier,cheekiest) chee-kee

Offensively bold
"a cheeky newcomer disputed the age-old rules for admission to the club";
- brash, nervy
[Brit] Lively and humorously cheeky or forward
"a certain cheeky gaiety and ease of manner";
- impertinent, irreverent, pert, saucy