verb, -pooed, -poo⋅ing, noun | 1. | to wash (the head or hair), esp. with a cleaning preparation that does not leave a soap film. |
| 2. | to clean (rugs, upholstery, or the like) with a special preparation. |
| 3. | Archaic. to massage. |
| 4. | the act of shampooing. |
| 5. | a preparation used for shampooing, esp. one that does not leave a soap film. |
