Blupiter

Blue Peter, International maritime signal flag with following meanings:

In harbour: All persons should report on board as the vessel is about to proceed to sea.

At sea: It may be used by fishing vessels to mean: “My nets have come fast upon an obstruction.”

Source: English

Ref: JA

Borgin

Burgee: a distinguishing flag, regardless of its shape, of a recreational boating organization. In most cases, they have the shape of a pennant.

Source: English

Plural: Borgini