cheekiest

adjective

1. Impudent; impertinent; impertinently bold, often in a way that is regarded as endearing or amusing.
2. (of swimwear, underwear, etc.) tending to reveal the cheeks of the buttocks.
3. (Australian Aboriginal) Poisonous (of animals such as snakes), dangerous, cunning, violent, potent.
4. Indulged in.