The Only Time These Words & Phrases Are Used

A sequel of sorts to Inseparable Word Pairs, Vol 1. Also, a shout out to @Ders808 for WORDS THAT GOT MARRIED... ➕➕➕
  1. Proficient
    Résumés, specifically in regards to Excel.
  2. LMFAO
    When something is pretty funny and you're over the age of 50.
  3. Whom
    Used directly before feeling superior.
  4. "And who do I have the pleasure of speaking with?"
    The preface to a very long phone call, which will ultimately not go your way.
  5. Vehicular
    When describing a very specific type of manslaughter.
  6. Bide
    Something you do with time, apparently.
  7. Prodigal
    A gender-neutral word used exclusively to describe sons.