"Whip in" can be defined as the act of getting someone or a group of people organized and ready to work efficiently. Some synonyms for this phrase include rally, gather, organize, mobilize, assemble, marshal, and round up. These words imply bringing people together and getting them to focus on a task or goal. Another related term is "crack the whip," which means to exert authority or pressure to motivate people to work harder. When you need to whip in a team, it's important to communicate clearly, set realistic goals, and provide direction and support to ensure everyone is moving in the same direction.