Garlic might could do that. (=make your eyes water).

source: 
LAGS
Entry: 
418
Example: 
Garlic might could do that [=make your eyes water].
Modal 1: 
might
Modal 2: 
could
Gender: 
Male
Race/Ethnicity: 
Black
Age: 
55
Level of Education: 
7th grade
Home Community, Town, or State: 
GA (Cumberland Island)
Location Collected: 
GA (Sapelo Island)
Year: 
1973
Relation to Addressee: 
subject to fieldworker
Medium: 
Spoken
Sentence Structure: 
1.0
Status: 
Naturalistic