transpondian

Etymology
Jocular coinage from.

Adjective

 * 1) Having to do with the two sides of the Atlantic Ocean or with traversing it, especially between the British Isles and the United States.
 * 2) Having to do with the other side of the Atlantic Ocean, especially the British Isles or the United States.

Noun

 * 1) Someone from the other side of the Atlantic Ocean, especially the British Isles or the United States.