(idiomatic) A person known for frequent, enthusiastic attendance at parties, especially one whose partying behavior is exuberant or excessive.

plural of wild animal

Any fat rendered from the tissue of an animal.

The practice of using non-human animals in scientific experimentation.

plural of party animal

The protection of animals' health with appropriate accommodation, nutrition and care.

(medicine, now historical) The theorized ‘spirits’ or physiological principles which allowed for sensation and voluntary movement. / Liveliness, vivacity, a happy tendency to action.

the field of dentistry applied to the care of animals.

Sexual attractiveness; charisma derived from non-intellectual characteristics. / (mesmerism) A magnetic fluid or ethereal medium said to reside in the bodies of animate beings.

Resembling an animal.