(I) don't care if I do
An affirmative response to an offer. A: "Would you like a cold drink of water?" B: "Don't care if I do."
(I) don't care if I do.
Rur. Thank you.; I will. (See also (I) don't mind if I do">(I) don't mind if I do.) Tom: Have some more grits? Jane: Don't care if I do. Charlie: Come on in and set a spell. Mary: Don't care if I da.