When you and your friends have watched roll models too much and you start talking in old english. but then it just turns into adding "eth" at the end of every word. hence forth... the reply, yeseth. like saying yes, only a lot more funny for some reason.
Hey do you wanna go downtown and smoke a black and mild? Yeseth!
by guyguymandude April 02, 2010
Can you define these popular missing words?