Smart Definition
Etymology
Pronunciation
ctm
SOB
CTM is an abbreviation for a vulgar Spanish expression, roughly equivalent to the English SOB (son of a b****). It's used as an interjection to express strong anger or frustration.
interjection
  1. SOB
    A vulgar acronym used as an insult or expression of anger.
    ¡CTM! Llegué tarde al trabajo otra vez. // SOB! I'm late for work again.