1. To fall or move from on top (of someone or something) in a rolling motion, on wheels, or atop or in something with wheels on it. The family rolled off the cliff after their car hit a patch of ice on the road. Don't put an ornament up on that shelf—I don't want it to roll off and break. The policeman rolled off the suspect once the weapon was secured by another officer.

2. To cause someone or something to fall or move from on top (of someone or something) in a rolling motion, on wheels, or atop or in something with wheels on it. In this usage, a noun or pronoun can be used between "roll" and "off." Paramedics rolled the large rock off the hiker and administered first aid. He climbed up to the roof and rolled off the balls that had been gathering up there all summer. He was too heavy to lift, so we had to just roll him off the carpet.

3. To move away (from someone or something) in a rolling motion, on wheels, or atop or in something with wheels on it. The ball struck her foot at an odd angle and went rolling off into the bushes. Make sure you put the brakes on the wheels of the cart, or it could roll off while you're trying to serve the guests.