n.) The uncomfortable phenomenon when two people
meet while walking
to pass only to have both persons
go in the same direction, thus each continuing to block
the path of the other. The occurence is usually brief but unsettling enough to cause grievance and annoyance in one or both parties (or however many are involved).
as "the get-past-you shuffle", "the pavement tango" and "the thing where you go like 'this'".
The word comes from the book "The Meaning of Liff" by Douglas
Admas and John Lloyd.