when a person has a butt that is extremely large. Similar to bootylicious, but it is extremely larger.
person one- Damn you could put a cup on her butt and it would stay!
person two- yeah shes pretty bootytastic!
by damnitsyouagain May 9, 2011
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Babysitting your 32 cats while you run errands all Friday night, sounds bootytastic, Can't wait!
by KeyLighter December 1, 2016
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