"NAH" Is usually a response to
something "suprising" or something "foul".
"NAH" is quite similar to "BRO" which is used in the same scenario.
"NAH" Is
sometimes followed up by "
That's Crazy".
Person 1:
Look at this.
*Sends video of something suprising*
Person 2: NAHHH
--------------------------------------------------
Person 1:
Look at this.
*Sends video of something suprising*
Person 2: NAH
THATS CRAZY BRO