munchkin
Concise Oxford English Dictionary © 2008 Oxford University Press:
munchkin/ˈmʌn(t)ʃkɪn/
▶noun N. Amer. informal a child.
– origin from the Munchkins, depicted as a race of small childlike creatures, in L. Frank Baum's The Wonderful Wizard of Oz (1900).
'munchkin' also found in these Oxford entries:

