noun

• (vulgar) The anus.
• (vulgar, derogatory) A jerk; an inappropriately or objectionably mean, inconsiderate, contemptible, obnoxious, intrusive, stupid, and/or rude person.
• (vulgar, by extension, often appositional) Anything unpleasant or undesirable.
• (obsolete, Scotland and Northern England) A receptacle under a fire grate for collecting ashes.