What is Nahum?
1.
An exclamation used as a catch all affirmation of another person's comment, question, presence, or observation. Often used as a modern day "amen"... Emphasis can be placed on either syllable for desired level of agreement or level of exclamation.
Man 1: A cold beer sure sounds good on a hot day like this
Man 2: Nahum...
or
Man 1: Hey! Check out that fun bags on that slut across the street!
Man 2: Nahum!!
or
Man 1: Did you hear that he fucked her right after he broke up with her?
Man 2: NAHUM!!
See 
Random Words:
1. 
the act in which a man suspended in midair upside-down wiggles his body until he has a magnifiscent orgasm
this guy left me hanging for.. 
1. 
What Twitterites do to Facebookers...
Mocking the status use of Facebook as opposed to Twitter
He twittercised her status on Facebook ..