put a condom on and have at it. a play on words from the CSI procedure whereby anything that may contain DNA is put in a bag and labeled. In this case, the bag containing the eventual DNA (jiz) is the condom, and tagging it means to have a go at the pussy.
Inebriated guy tells the wild party gal that "he would sure like to get some of that", nodding to her crotch.
She responds: "bag it and tag it", as she first nods to his cock and then to her snatch.
a tampon that is pushed inside a vagina. usually caused by both parties being overexcited and juiced at the start of intercourse that the hard-on easily 'tamped in' the tampon without being noticed.
I met a wild chick and we hit it off right away. By the time we got to a couch we were ready to explode. I was banging away and only later noticed the blister on my cock from rubbing against the ripcord all night. Guess I gave her a tampin. Hope she got it out the next morning.