"That's such a bummer!" (3)
I believe the answer is:
boo
(Other definitions for boo that I've seen before include "Surprising outburst" , "Surprising exclamation" , "Voice disapproval" , "Express noisy disapproval" , "I hated that!" .)
I believe the answer is:
boo
(Other definitions for boo that I've seen before include "Surprising outburst" , "Surprising exclamation" , "Voice disapproval" , "Express noisy disapproval" , "I hated that!" .)