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Definition of Tickler
1. Noun. A file of memoranda or notices that remind of things to be done. 
Definition of Tickler
1. n. One who, or that which, tickles.
Definition of Tickler
1. one that tickles [n -S] - See also: tickles
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1. Noun. A file of memoranda or notices that remind of things to be done. 
1. n. One who, or that which, tickles.
1. one that tickles [n -S] - See also: tickles