retro-migration
noun
Migration back to a place of origin.
Origin
Late 19th century.
- the Big Dipper
- the big enchilada
- the big five
- the big idea
- the big lie
- the big (or bigger or larger) picture
- the big screen
- the Big Smoke
- the big stick
- the Big Three (or Four etc.)
- the bird has flown
- the birds and the bees
- the biter bitten (or bit)
- the Blessed Sacrament
- the Blitz
- the bloom is off the rose
- the Boat Race
- the body beautiful
- the Book of Psalms
- the Books of the Maccabees
- the boot (or shoe) is on the other foot
- the Border
- the Borders
- the bottom falls (or drops) out
- the Bourse