So much at stake... oh!
Bad choice of words
A stake in the heart is often portrayed as the only way for a human to permanently kill a vampire, thus Andre/Dracula is reasonably sensitive to the use of the term. Kelis' character had an unfortunate slip of the tongue trying to describe the gravity of the situation.
To help improve the meaning of these lyrics, visit “Dracula's Wedding” by Outkast (Ft. Kelis) Lyrics and leave a comment on the lyrics box