To be smeared by a pap.
To be beaten about the head by a large set of mammaries.
A near-lethal blow to the cranium, applied by one or more tits. Has the effect of changing one's facial expression very abruptly.
Can be used by females and Gibbses as a playful means of flirtation or foreplay with stout-hearted partners, or as a means of self defense in times of distress.
"Back off or I'll papsmear you!"
"She gave me such a papsmear, I'll have a tit imprint on my forehead for a week."