Derogatory term for an individual who exudes an unsavoury stench from their mouth while speaking, laughing, and or while opening their mouth in general.
John: Yesterday I met my girlfriend in the mall, speaking of the mall, they have discounts on dildos, speaking of dildos, I gotta buy one for my mother! Jack: What an assmouth
1.)Used as a general term to describe some one with bad smeling breath. 2.) Used specifically to describe of someone who commonly performs fallacio on a person following anal sex; or one who places objects in one's mouth following the insertion of said object into the anus.