Megafan vs. Stan — What's the Difference?

An alluvial megafan is a large cone or fan-shaped deposit built up by complex deposition patterns of stream flows originating from a single source point known as an apex. Megafans differ from Alluvial fans in their sheer size.

An extremely obsessive fan of a person, group, character, or creative work, particularly one whose fixation is unhealthy or intrusive.

(geology) A very large mass of clastic sediment deposited by a laterally mobile river system that fans out from the outlet from a large mountainous drainage network.

One of the stans; any of the ex-Soviet countries and their neighbours whose name ends with "-stan" such as Turkmenistan, Uzbekistan, and Kazakhstan.

(informal) An obsessively enthusiastic fan.

To act as a stan (for); to be an obsessive fan (of).