Puckish
/ˈpʌkɪʃ/
Definition 1 of 1
Pro Tip 1/3Playful Teasing
Use 'puckish' when describing someone who teases others in a lighthearted, joking manner. 
His puckish comments during the meeting lightened the mood.
Pro Tip 2/3Not Malicious
'Puckish' mischief is harmless and not intended to hurt or offend anyone. 
She left a puckish note on his desk, causing a round of giggles in the office.
Pro Tip 3/3Cultural Reference
The word 'puckish' is derived from Puck, a mischievous fairy in Shakespeare's 'A Midsummer Night's Dream'. 
His puckish antics at the party made everyone think of Shakespeare's playful Puck.