A person who exudes themselves as being 'cool' and 'macho' with an undeserved sense of self-respect, while in reality this character is a complete tool and an utter pussy. (See 'Chach')
"Look at this Chachismo, he really thinks he's some big swinging dick at the club."
"That Guy" at the bar who is greased up with hair gel and cologne, wears a Armani Exchange button down shirt with the collar opened up wide to show off his big gaudy gold chain, and pushes people around while spilling beer on them with little care or regard despite his short stature. However when push comes to shove and a larger bar patron confronts this "Chachismo," That Guy runs away with his dick between his legs