A Person, usually elderly who takes an abundant amount of pills each day for maintaining ones health.
Most of these pills are vitamins and stool softeners.
"I saw you Gram-Maw-Maw taking all her meds, Dang, she's a geriholic!"
"Whheeew, he smells like old spice and vitamins, whatta geriholic!"
Native's in Canada, commonly found in places like Sudbury, Thunder Bay, and most Northern-Ontario Cities. They have earned this name for their reputation of sniffing Gasoline to get high.
Look at fucking Chief Red Bear over there, fucking gasoholic doesnt even know where he is!