Question

when our dog gave birth in the park she got a ticket for littering please tell me the pun word, and the 2 meanings of the pun ​

Answer 1

The dog littered, which means she had puppies. A group of puppies is called a litter. Littering normally means putting garbage down in a public outside area, or making a mess in a nature-related facility.

Answer 2

I believe the pun word would be littering.
Meanings:
1.) “litter” refers to a dogs pups
2.) “litter” also refers to discarding trash on the floor and leaving it there, which is illegal and therefore results in a fine