tail end

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?
    

• any projection that resembles the tail of an animal

• the time of the last part of something
  • the fag end of this crisis-ridden century
    
  • the tail of the storm
    

Related words

• Synonyms: 
  buttocks , tail , fag end