However, based on the individual words, here's what we can infer:
* Sleek: Smooth and glossy in appearance.
* Headed: Having a head.
So, "sleek headed" could potentially be interpreted as describing someone or something with a smooth and shiny head. This could refer to:
* A person with shiny, smooth hair: Perhaps someone with a polished hairstyle or a bald head.
* An animal with smooth fur on its head: For example, a seal or a dolphin.
* An object with a smooth, polished surface on its "head" end: For example, a hammer or a nail.
Without context, it's hard to say for sure what "sleek headed" means. If you provide more context, I might be able to give a more specific interpretation.