practically every day; happening very often or repeatedly

both ends or either end of a physical object

almost every day; very often; all the time

A small, non-venomous snake with a tail that mimics its head (Calamaria septentrionalis)

(idiom) to labor under a double burden; to be overly busy with multiple tasks or commitments to the point of exhaustion

To be an opportunist by trying to benefit from two opposing sides at once; to be headed in both directions.