bursting

1. Very eager (to do something).

   I was bursting to tell him the secret.

2. (often)Urgently needing to urinate.

   Can you tell me where the toilets are? I'm bursting.

   The kid is bursting to go to the toilet.

3. So full (with something) as almost to erupt.

   The newly stocked refrigerator is bursting with fresh vegetables.

   Her heart was bursting with repressed emotion.

regular