Whomp Up is a colloquial phrase that means to prepare or create something quickly or hastily. The antonyms for the phrase can be slowing down, procrastinating, delaying or putting off essential tasks. Instead of whomping up something, one can take their time, follow a step-by-step procedure, or deliberate on various options. Creativity has no place for rushing, therefore, if you want to make something great, it is crucial to take your time instead. Procrastination, however, is not an alternative, as it can lead to poor quality or missed deadlines. Hence, choosing the method of preparation based on the requirements and time constraints, can lead to achieving the best results.