Biterbump or Bitterbump: How To spell?
The word Biterbump is misspelled against Bitterbump, a noun meaning "the butterbump or bittern."
Bitterbump has double "tt" is mispronounced as "t"Remember double 'TT' in between the strings bi & erbump which should not be misspelled with single 'T'
Wrong Spelling:  bi-t-erbump  Correct Spelling:  bi-tt-erbump 
Check more misspelled words of Bitterbump to spell it correct.