Alternative form of moonshiny

(archaic) A pudding made with bread and butter, currants, cream, and eggs.

(mathematics) The unexpected connection between the Monster group and modular functions, now known to relate to a certain conformal field theory having the Monster group as symmetries.

A fanciful notion; an unrealistic or ludicrous concept.

(mathematics) A mysterious connection between Niemeier lattices and Ramanujan's mock theta functions; a generalization of the Mathieu moonshine phenomenon connecting representations of the Mathieu group M24 with K3 surfaces.