#licking ones chops

ofellilingus -a -um “licking the chops”
  [ofella “chop” + -lingus“-licking”]
  [ofella-+-lingo-] stems
  [ofelli-+-lingo-]a becomes Connecting Vowel i
  [ofellilingo-] new stem
  [ofellilingus] nominative singular

(Fons Imaginis.)