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1.
An huge dill hole who constantly converses with others about statistics.

OR

A statistics teacher who assigns too much homework.
Example 1 -

Guy 1: "Hey did you guys catch the basketball game last night. It was incredib-"
Guy 2 (interjects): "I love finding the z-score of everything!"
Guy 1: "I was telling a story. Stop being such a statisdick."

Example 2 -

Teacher: "I know you guys have 3 essays due tomorrow, so I'll just assign you 10 pages of really hard Stats homework tonight. Sound good?"

Student (after class): "That guy is such a statisdick."
by The mean z-scorer November 17, 2010