Telling an egregious lie with such a fierce and combative confidence that even though listeners know it's not true, they are intimidated into not challenging you. See being spiced.
Jim: You look happy Jerry, had a good night yesterday? were you Spicing your meat?
Jerry: Yeah man I got my meat spiced so hard by Missus.
Jim: I rememberthe first time Missus spiced my meat, Boy oh boy was it an experience.
See spice out session. Spicing out is used to describe the action of puking after one has smoked too much tobacco. It often results in hysterical laughter from the surrounding people.