Tickle fetish refers to a sexual arousal by or sexual interest in tickling or in being tickled.
More About Tickle Fetish
For some, being tickled can be unbearably uncomfortable. For others it can be unbearably pleasurable. For tickle fetishists, being tickled induces an intense erotic charge. The sexual focus is placed on the tickling and the sex takes a back seat. It can also be used as a type of foreplay.