"Foshodo" is a lengthening of the word "fosho" and can even be shortened to "shodo". It simply means yes and can be used in any context where "fosho" fits.
Darrel: "Say dog, you wanna hit up the club and then them hoes?"
Jarred: "Oh foshodo, you already know!"
Jarred: "Oh foshodo, you already know!"
by damnsasquatch March 31, 2009