An expression refering to people who wear cut offs that think that there buff but really arent....douchebags. A word thought up by the late jon einarson
Billy: Have you got your tickets yet?
Sarah: To What?
Billy: To the Gun Show!!! ***while pulling back his right sleeve, flexing his muscles , and pointing with his left hand
After having intercourse with a female whom is currently having a menstrual cycle, the male quickly pulls out his penis from the girls vagina and slaps the female in the forehead with his limp penis leaving behind a bloody slap mark, resembling a gunshot wound. Most importantly, the male must exclaim "bang" after he leaves his mark.