The act of participating and/or initiating
conversation when using the toilet.
If you walk into a club's bathroom and listen to all the
intoxicated conversation, this is a form of toilet talking.
Akin to pillow talk, we are now taking the pillow to the toilet.
Jerry forgot to bring the paper into the toilet for his routine coffee, cigarette, poop & read. So he called Elaine instead of reading. Jerry and Elaine are now actively toilet talking.
Jerry and Elaine are having some
pillow talk after some "this and that", Elaine wanted a shower and Jerry had to use the bathroom as well. They casually brought the
conversation into the toilet. They are now
pillow talking in the toilet; Toilet Talking.