fling off

To quickly push or pull something off of oneself. A noun or pronoun can be used between "fling" and "off." Ugh, once Mom came in, yelling that I had to get up, I had no choice but to fling the blankets off and finally get out of bed. As usual, Holly immediately started complaining about how hot it was in the house and flung off her sweater I just want to protect my dog's paws from winter chemicals, but he hates his little booties and flings them off the moment he gets into the house.

fling off (of) (someone or something)

To pull or jerk something off of someone or something. A noun or pronoun can be used between "fling" and "off." With a squeal, she flung off the fly that had landed on her arm. I pulled the blankets up over my head, but Mom just flung them off of me, yelling that it was time to get up. My jerk of a brother flung my hat off and revealed my stupid haircut to the entire class.

fling something off (of) something

and fling something off

to yank or pull something off something. (Of is usually retained before pronouns.) He flung the bedspread off the bed and dived in. He flung off the covers and dived into bed.