look up any word, like sweetest day:
n. A grandmother's nickname.

n. A regular at pageant message boards, usually leaving messages that aren't that funny.
Who left that stupid post?
Oh, ok..it was Meemaw.
by Sallys March 23, 2006
n. Grandmother; how Sheldon Cooper calls his grandma in The Big Bang Theory
Don't make me call mee-maw.
by Datum November 20, 2011