1. and stum [st?m] and stumble-bumbles (ˈstəmblæˈbəmblæz) n. barbiturates; sedatives; tranquilizers; alcohol. (Drugs.) Kelly was shocked to find a handful of stumble-bumbles in his brother’s jeans.
2. n. the inability to stand up and walk straight. I guess I have the stumbles today. Not enough sleep, I guess.