Top Definition
a subrace of inferior "arses" who practice incest for the benificiary gain of cheese.
Buttkinery takes place between twins often of a male persausion or other male relations.
Activities include Butt sniffing, butt licking, brown nosing, frottage, butt munching and butt hugging.
the cheese is just an unexpected side effect.
buttkins - the olson sisters
by Dasiki June 13, 2009
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