little man

noun4

1. •
   An ordinary man of no particular fame or accomplishment; especially, everyone who is an underdog by the nature of not being rich or powerful.

   • Who's going to look out for the little man as insurers increasingly weasel out of paying claims?
2. •
   (informal) A young boy.

   • And how are you, my little man?
   • Little man here is going to pour the milk himself. Watch how well he does it!
3. •
   (slang) The penis.
4. •
   (euphemistic) A man with dwarfism, or short stature resulting from a medical condition.