The act of extending one's hand as far as possible up the vagina of a pregnant woman for her pleasure and in the process accidentally or purposely tickling the unborn child.
Bro A: "Dude I was fisting my pregnant slampiece last night and I felt something really sketch."
Bro B: "Ah shit man looks like you pulled a K-Vegas Fetus Fondler on her ass!"
Bro B: "Ah shit man looks like you pulled a K-Vegas Fetus Fondler on her ass!"
by ScissorMeXerxes December 11, 2010