To lightly rub the tips of your fingers across someone's back (or anywhere else for that matter) to produce a slight tickle that feels very relaxing and can put you to sleep.
Guy 1: I was having a hard time sleeping, so my girlfriend gave me tickies. It was the most relaxing thing ever.
by kitkatkate May 18, 2013
by Screwdles September 23, 2006
by M November 04, 2003
by Elijah_Blu April 11, 2011
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A little crazy. Not all there in the head. Missing a few screws. SIndonesia with unpredictable and erratic behavior.
by Kerkyon April 05, 2015