To fold or gather into a compact form, often by turning over and over. She rolled up the map and put it in her backpack.
To arrive or appear at a location, often unexpectedly or casually. He rolled up to the party an hour late.
To increase or accumulate, especially in terms of numbers or amounts. The company managed to roll up significant profits last quarter.
To prepare or organize something, often in a thorough or complete manner. They rolled up the project plan before presenting it to the board.