Drop litter and lose it (4,7)
I believe the answer is:
have kittens
'lose it' is the definition.
(I've seen this in another clue)
I don't understand the remainder of the clue.
Can you help me to learn more?
(Other definitions for have kittens that I've seen before include "Be extremely nervous (as a queen might)" , "Shake with nerves" , "Blow up" , "produce cute delivery" .)