What is the meaning of Asshole?

The anus.

A jerk; an inappropriately or objectionably mean, inconsiderate, contemptible, obnoxious, intrusive, stupid, and/or rude person.

Anything unpleasant or undesirable.

A receptacle under a fire grate for collecting ashes.

The place for receiving the ashes under the grate in a fireplace

Source: wiktionary.org