he/she can talk/eat, etc. for England

for England

A lot. Often used in the phrase "talk for England," meaning to talk a lot. Whenever I'm with Miranda, she just talks for England, and I can't get a word in!
See also: England
Farlex Dictionary of Idioms.

he/she can talk/eat, etc. for England

BRITISH, INFORMAL
If you say that someone can talk/eat, etc. for England, you mean that they do that thing a lot. That woman can talk for England.
See also: can, England, he, she, talk
Collins COBUILD Idioms Dictionary, 3rd ed.
See also:
  • for England
  • a lot of malarkey
  • a long haul
  • bang for (one's)/the buck
  • bang for the
  • bang for the buck
  • bang for your buck
  • be in the public eye
  • a lot on (one's) plate
  • back to Blighty