holla
(noun, verb, interjection)
interjection
1. (colloquial) what's up; a greeting
noun
1. a very loud utterance (like the sound of an animal)
Similar word(s): bellow, bellowing, holler, hollering, hollo, holloa, roar, roaring, yowl
Definition categories: communication, call, cry, outcry, shout, vociferation, yell
verb
1. (colloquial) To shout out or greet casually.