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2.
The act of dressing, acting, or portraying teacher-like behavior.
Jane: Do you think this sweater looks teachery? I want to look professional in front of my class.

Mark: Yeah, I could see a teacher wearing that.

Or

Jane: Man, we got totally wasted after school the other day!

Mark: Wow, so not teachery behavior!
by ValeriePlame August 23, 2009
 
1.
The act of sounding like a teacher
I called your office, and got your voice mail, you sounded all teachery and hot.
by wl1958guy November 16, 2006