Soak off Definition 1 of 2Pro Tip 1/3Liquid Removal Used when liquids help remove items stuck to surfaces, like stickers or residue. You can soak off the price tag from your new glassware. Pro Tip 2/3Home DIY Commonly used in DIY to indicate gentle removal without causing damage. He managed to soak off the old decals from his motorcycle. Pro Tip 3/3Cleaning Aid Relates to cleaning processes, where soaking makes the task easier. Soak off the casserole dish stains with warm water and soap.