Astroglide may be liquid, but you shouldn't drink its contents.
2. Antifreeze Salad
While hot chocolate and whipped cream stand as a testament to the enjoyable combination of food and sex, we're pretty sure no one wants to eat a salad covered in Astroglide. Propylene glycerol is found in antifreeze and sexual lubricants and can cause skin and eye irritation. Fast food places use it in their pre-packaged salads to keep the greens crisp.