dry off
To remove wetness from oneself, someone, or something. A noun or pronoun can be used between "dry" and "off." Here's a towel so you can dry yourself off when you get out of the pool. Can you answer the phone while I dry off my hands?
dry someone or something off
to remove the moisture from someone or something. Please dry your feet off before coming in. Dry off your feet before you come in here!