[slath
-er] 
Informal.| 1. | to spread or apply thickly: to slather butter on toast. |
| 2. | to spread something thickly on (usually fol. by with): to slather toast with butter. |
| 3. | to spend or use lavishly. |
| 4. | Often, slathers. a generous amount: slathers of money. |
| 5. | open slather, Australian. complete freedom. |