One who gains sexual gratification from tickling the desired sexual partner, usually on the ribs or feet. Often a foot lover, in which case tickling is a form of fetish.
"He's a total tickler, it's even in his e-mail address."
A tickler is a rare species of men. It is when a man's penis curves up a little bit. Women love men that have ticklers because it gets the G-Spot right away and makes sex for them much pleasureable!
When you are performing sex int eh "doggy style" position she reaches under her stomach and plays in a soft and tickling fashion with your genitalias/balls.
You inside of a hot chick from behind and she is playing with your ballz!!!!!!! The Tickler