Dreams dictionary: Tickle

Dreams dictionary: Interpretation 1
To dream that you are being tickled indicates a need for humor and laughter in your life. You are taking things too seriously. Alternatively, the dream may be a metaphor for someone that "tickles" your fancy.
Dreams dictionary: Miller Dream Interpretation
To dream of being tickled, denotes insistent worries and illness. If you tickle others, you will throw away much enjoyment through weakness and folly.