nodding acquaintance

Noun

 * 1)  A casual or partial familiarity; a relationship which is not close or fully developed; an inexact understanding (of something).
 * 2)  Someone who is a remote or passing acquaintance.
 * 1)  Someone who is a remote or passing acquaintance.
 * 1)  Someone who is a remote or passing acquaintance.
 * 1)  Someone who is a remote or passing acquaintance.
 * 1)  Someone who is a remote or passing acquaintance.

Translations

 * Hungarian: futó/futólagos/felszínes/felületes ismeretség, köszönőviszony
 * Russian: