croak
1. slang To die. How are we going to tell the kids that their fish croaked while they were at school?
2. slang To kill someone or something. We all watched in horror as the lion croaked its prey.
croak out
To say something in a low, gruff, possibly emotional voice. A noun or pronoun can be used between "croak" and "out." I wanted to say a few remarks at the funeral, but I had a hard time croaking them out.