Wahoo or Waahoo: How To spell?
The word Wahoo is misspelled against Waahoo, a noun meaning "The burning bush; -- said to be called after a quack medicine made from it."
Waahoo has double "aa" is mispronounced as "a"Remember double 'AA' in between the strings W & hoo which should not be misspelled with single 'A'
Wrong Spelling:  W-a-hoo  Correct Spelling:  W-aa-hoo 
Find more incorrect spellings of Waahoo to spell right way.