Silence of the lambs? Just the opposite!
I believe the answer is:
baa
(Other definitions for baa that I've seen before include "to Heathrow, the operators" , "Sound of sheep" , "Sheep's bleat" , "Lamb's cry" , "Cry of a sheep" .)
I believe the answer is:
baa
(Other definitions for baa that I've seen before include "to Heathrow, the operators" , "Sound of sheep" , "Sheep's bleat" , "Lamb's cry" , "Cry of a sheep" .)