A surname.

plural of Howle

(transitive, intransitive) To shout or cheer.

(television) feedback (high-pitched howling noise caused by a loop between microphone and speaker)

(idiomatic) To spend considerable time and effort fruitlessly in a hopeless endeavor.

plural of howling jackass

(obsolete) The blue-winged kookaburra, Dacelo leachii, of northern Australia and New Guinea.

(US) If somebody is ranting or complaining about something, they were probably hurt by it.

(imperative, colloquial) Go away; get lost; a rude dismissal.

A person tends to take on the characteristics of those with whom he or she associates.