The word "poking full holes" may seem like an unusual phrase, but it can be broken down into its individual parts - poking, full, and holes - to find antonyms for each. Antonyms for poking could include words like removing, withdrawing, or retracting. Antonyms for full could be empty, vacant, or bare. Antonyms for holes might include bulges, projections, or smooth surfaces. Putting it all together, some antonyms for "poking full holes" could be smoothing flat surfaces, emptying or removing bulges, or even filling gaps or adding components to create a smoother surface or structure.