ginhaler Share definition Flag A person with an unnatural ability to drink martinis quickly, or a person with a penchant for drinking martinis to excess. "Did you see Steve down those martinis at the bar last night? He's becoming a ginhaler." ginhaler by onemorehour October 28, 2007 0 0 Get merch Get the ginhaler mug. Buy Now — $32.95 See more merch