The word "whimper" is a verb that means to make a low, weak sound due to fear or pain. It can also refer to such a sound made by someone or something in distress.
Usage examples
The defeated team walked off the field with their heads down, their only sound being a collective whimper.
The child's whimper could be heard throughout the house as they reluctantly went to bed early.
Upon feeling a sharp pain, she let out a whimper before quickly composing herself.
Good lord, the US is overwrought with whimpering idi0t $ afraid of their own shadow. (religion.blogs.cnn.com)
(The merest whimper of the thesis can be discerned when he states that crusading was «reinvented» after the loss of Jerusalem in 1187, or when he refers to Innocent's contribution to the Crusades as «a sort of creation.») (firstthings.com)