Top Definition
Having a sexual attraction to fat people.
"Did you see that fat girl Steve was hitting on?"
"Yes, he is in to obesetiality."
by darlingdear November 28, 2011
The practice of loving large, overweight people.
Did you see the size of Kristina's new boyfriend? She must be into obesetiality.
by PicklingTheBeast June 19, 2009
The fucking of fat animals.
Obesetiality is the act of someone who is perverse enough to have sex with fat animals.
by deviljst March 07, 2011
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