a combination of the words yes and yeah, often when using this word it is meant to have more feeling
psh yesah i will go to the dance with you
by Gerg Craver February 2, 2008
basically yes sir but more friendly - huy 😗
friend: We going out right cutie?
you: yesah
by huyiscool June 19, 2019
An exclamation to imply excitement and glee, much like "YEAH!"

pronounced: Yes-uh
Announcer: "The winner is CHRISTIAN!"

Christian: "YESAH! thats awesome!"
by franklymindi November 11, 2009