Bangemann wave

Etymology
Suggested by (1934–2022), German politician and Commissioner for the Internal Market and Industrial Affairs in the European Commission (1989–1995), in 1992.

Noun

 * 1)  A former method of simplified border control for citizens of the  (and the ) at the external frontiers of the  (i.e. the borders of the United Kingdom and Ireland), implemented in 1993, which consists of passengers presenting, or waving, their unopened passports or national identity cards to authorities.