Long, wispy hairs that emerge from nipples.
I was sucking this chick's tits, and she had the longest titlashes.
by Beef Cannon Bill October 13, 2011
(n.) A severe muscle injury caused by turning one's head quickly to view a well-endowed female.
"That jogger chick had such a nice rack, I almost got titlash looking at her!"
by Steve Caruso May 07, 2007