snarlat Threaten, canine-style Speak angrily to Say "Grr" to React nastily toward Menace with teeth exposed Greet with a 'grr' Go "Grr!" to Threaten, like a dog Menace, in a way Greet like a junkyard dog Threaten, in a way Threaten, dog-style React angrily toward (while thinking, "I'll see you in court!" perhaps) Warn, watchdog-style