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May seem similar to its retarded cousin "asshattery" but assuredly it is not. Ass-Haidery takes hatin' ass buffoonery and extreme egoism to a different level. There are many ways to define and spot an Ass-Haider including the constant barrage of bullshit and conceited comments produced during general conversation. Frequently accompanied by fetuses, rubbers, and henious breathe.
1. "Man, that dude suffers from major Ass-Haidery"

2. The teacher showed the most digusting display of Ass-Haidery the students had ever seen in their lives.
by Bridgett Jones January 16, 2009
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