During the act of copulation from a rear position, the 'smacker' scoops cole slaw into one hand and french fries into the other. They then proceed to smack his/her partner on each cheek, ass or face depending on preference, while proclaiming "How's yinz like me now n'at bizznitch!"
In Cleveland this is performed with a Panini’s sandwich and referred to as a “Panini’s Smack”, while in all other cities it is performed with peanut butter and jelly and is referred to as "The Peanut Butter Smack".
"ya' know after we drank all 'em Iron City's ahnd left yinz at da bar, we stopped ta get a Primati samich. well ya' know once we goht ta doin' et i 'ad ta give 'er a 'Primanti Brothers Smack'."