Top Definition
Combination of "ass" and "essential" together. Having a physical characteristic that makes a person's ass the best part of the person.
(tongue in cheek) Her assential qualities make up for her lack of personality.
by doradothedog May 19, 2010
1 more definition
I think you can guess what this means.
She's sweet, she's nice, and she's super intelligent and all but she's really missing the assentials I need in a girl. Too bad.
by Submitter of Words August 02, 2011

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