Ninnyhamer or Ninnyhammer: How To spell?
The word Ninnyhamer is misspelled against Ninnyhammer, a noun meaning "A simpleton; a silly person."
Ninnyhammer has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings ninnyha & er which should not be misspelled with single 'M'
Wrong Spelling:  ninnyha-m-er  Correct Spelling:  ninnyha-mm-er 
Find more wrongly spelled words of Ninnyhammer to spell it well.