Home / Nicotine Vape Juice and Salts / MBV (Micro Brew Vapor) / MBV – Grumpy Old Bastard 0MG 100mL MBV – Grumpy Old Bastard 0MG 100mL MBV – Grumpy Old Bastard 0MG 100mL A rich and decadent butterscotch caramel cream. To those who have experienced Grumpy; Arguably the best E-liquid flavor in America! Made in small batches with custom extractions. Categories: MBV (Micro Brew Vapor), Nicotine Vape Juice and Salts Product ID: 15928 Spread the love Check out our other products Keep It 100 Synthetic – Blue 6MG 100mL (OG Blue) Brewed Awakening – Classic 0MG 100mL Coastal Clouds – Mango Berries 0MG 60mL Keep It 100 Synthetic – MLOW 6MG 100mL (Mallow) Keep It 100 Synthetic – FTC 3MG 100mL (OG Krunch)