Answer: growl

AnswerCrossword Clue
GROWL

Talk like a curmudgeon, maybe

GROWL

Boxer's warning

GROWL

Stomach complaint

GROWL
Talk angrily
GROWL
Rumble in the jungle?
GROWLMad dog's warning
GROWLFido's warning
GROWLKennel warning
GROWLSound of an empty stomach
GROWLWarning from a boxer
GROWLCanine threat
GROWLRottweiler warning
GROWLStomach sound
GROWLGut reaction?
GROWLWatchdog's warning
GROWLEmpty stomach sound
GROWLDog's warning
GROWLSound of an angry dog
GROWLCanine's caveat
GROWLRumble.
GROWLCanine warning.
GROWLGrr.
GROWLCanine sound.
GROWLSurly sound
GROWLRumble
GROWLKennel sound
GROWLGuttural sound
GROWLJazzy trombone sound
GROWLGuttural warning
GROWLSnarl
GROWLWarn the mailman, perhaps
GROWLGuttural utterance
GROWLWhat empty stomachs do
GROWLEmulate an empty stomach
GROWLUrsine sound
GROWLWarning sound
GROWLSound from Stephen King's Cujo
GROWLWarn a la Lassie