rump

Noun

• the fleshy part of the human body that you sit on
  • he deserves a good kick in the butt
    
  • are you going to sit on your fanny and do nothing?
    

• fleshy hindquarters; behind the loin and above the round

• the part of an animal that corresponds to the human buttocks

Related words

• Synonyms: 
  buttocks , hindquarters , croup , croupe