A spoonerism of the term 'Dick Tease'. Often used as an ineffective code for 'Dick Tease' so as not to offend.
Friend 1: So how was the date with Stacey last night?

Friend 2: Aw man she is such a...

(Stacey approaches)

Friend 2: She is such a Tick Dease. (wink)
by Mr. Christoffelees February 2, 2010
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