an undeserving target for someone's anger or frustration; a person used to vent one's spleen

a physical opening for air or gas to escape, such as an outlet or exhaust

to hold identical views or attitudes; to be in collusion or in cahoots with someone, usually derogatory

to breathe through the same nostril; used to describe two people who share the same opinions or attitude, usually in a negative or colluding way

person who serves as a target for someone else's anger or frustration