Muligrubs or Mulligrubs: How To spell?
The word Muligrubs is misspelled against Mulligrubs, a noun meaning "A griping of the intestines; colic."
Mulligrubs has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings mu & igrubs which should not be misspelled with single 'L'
Wrong Spelling:  mu-l-igrubs  Correct Spelling:  mu-ll-igrubs 
Check more misspelled words of Mulligrubs to spell it correct.