The word "pinguefy" means to make something fat or greasy. There are several synonyms for this word, including:
1. Fatten: The act of making something or someone heavier in weight by adding more fat.
2. Grease: To cover something with oil or grease, making it slippery and shiny.
3. Lubricate: Using a lubricating agent to make something slick and easy to move.
4. Saturate: To soak or fill something completely with liquid, such as oil or grease.
5. Lard: The fat from pigs that is used for cooking and can be added to foods to make them rich and greasy.
Overall, these synonyms can all be used in place of "pinguefy" to convey the same meaning of making something oily or making it contain more fat.