He might could be in a coma.

source: 
COCA
Entry: 
1097
Example: 
He might could be in a coma. Might be weeks and months. Might be years.
Modal 1: 
might
Modal 2: 
could
Gender: 
Male
Race/Ethnicity: 
Unknown
Age: 
unknown
Level of Education: 
Unknown
Home Community, Town, or State: 
Unknown
Location Collected: 
Fictional Story
Year: 
1991
Relation to Addressee: 
man to group
Medium: 
Written
Sentence Structure: 
1.0
Status: 
Naturalistic
Notes: 
Chappell, Fred. 1991. 'Detour' in Sewanee Review 99:3. (author is from Canton, NC) Full Context: said, " What if whoever is dreaming that damn thing is drugged? " # Now there was a thought. Crazed drug freaks everywhere these days. Just think of the high school over there. Hank and Bill thought of the high school and shook their heads mournfully. These days any more, boy, you just don't know. # " Might be quite a while before he comes out of it. And it could be even worse. " # Worse brightened their interest considerably. They looked at Balsam in mute wonder. # " He might could be in a coma. Might be weeks and months. Might be years. " # They looked at one another. # " I think we ought to get an expert up here from the State Office, " Balsam said. He looked the number up and paused with his finger in the dial. " What do you boys think? " # Whew, Lordy, the State Office. Bill thought it over and said, " Yup, " but you could tell he considered it an