Haul off is an informal phrase used in American English, which means to suddenly and forcefully do something. There are several synonyms for this phrase depending on the context in which it is used. Some synonyms include "yank," "pull," "shove," "jerk," and "drag." These synonyms can be used interchangeably and can be used to describe various actions, such as pulling out a weed from the ground or forcefully moving an object from one place to another. The context of the situation will dictate which synonym is the most appropriate. However, no matter which synonym is used, it will always imply a strong and forceful action was taken.