Whop or Whoop: How To spell?
The word Whop is misspelled against Whoop, a noun meaning "A loud, shrill, prolonged sound or sonorous inspiration, as in whooping cough."
Whoop has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings wh & p which should not be misspelled with single 'O'
Wrong Spelling:  wh-o-p  Correct Spelling:  wh-oo-p 
Find more incorrect spellings of Whoop to spell right way.