Best definition
yamaka theory
the theory that states that yamakas are a major cause of balding in the jewish community.1-yamakas are worn around the

top of the head
2-many balding jews go bald around the yamaka areatheory-yamakas block the sun’s nutrients to the head, thus causing baldness

guy1- oh look that guy is wearing a yamaka

guy2- i bet hes going bald

guy1- yamaka theory?

guy2- yea