Jest with (5)
'jest with' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for kid that I've seen before include "Young animal or child" , "Soft leather" , "Playfully deceive" , "A baby goat or informal child" , "To fool; young animal" .)
(Other definitions for tease that I've seen before include "Annoy good-naturedly" , "Chaff" , "Comb or card (wool)" , "Banter, provoke gently" , "Torment, tantalise" .)