headsized
Headsized is a term that describes the practice of estimating or approximating the size of something by comparing it to the size of a human head. It is often used informally in situations where precise measurements are not readily available or necessary. For example, a person might describe a boulder as being "head-sized" to give others a general idea of its dimensions. Similarly, a chef might refer to a portion of food as being "a good handful, about head-sized" when discussing recipes or serving suggestions.
The effectiveness of using "head-sized" as a measurement depends on the context and the audience's familiarity