My sense of humor is a turkey, and I pull it out of the oven and baste it in reality.

This quote means that the speaker relies on their sense of humor to make the realities of life easier to handle. The turkey is a metaphor for their sense of humor and the oven is where the speaker takes it from and basts it which is like seasoning it. The idea is that the speaker takes their sense of humor, which helps to make things better, and applies it to their everyday life.