The act of smacking your erect penis one the outter Vulva or clitoris of a vagina during or usually before sex. You can see pornstars "Spanking the Lasagna" before penetration in most porn films.
When your poop is not a sausage, but more or less diarrhea.
Then you shit, wipe, shit, wipe, and so on because you always have to shit again after a wipe.
When you’ve just finished sex and she rolls on her side and spreads herself by lifting her ass cheek to show her pussy and it looks like a Sticky Lasagne