The act of trying to guess the size, color, and overall make-up of a particular female's nipple before seeing them.
"I didn't hear a thing she said. I was too busy titillating."
by Zman55 April 12, 2015
the act of opening a furtune cookie and not knowing what it means only that it is going to be a good day.
Rachel: Why Matt, your mellophone is looking especially titillating today.
by mello2008 December 27, 2008