That whereas, and whereby, and by which, the major, and most greater, and most bigger, and most stronger party, […] 1812, A Collection of Scarce and Valuable Tracts (Walter Scott, John Somers), page 146
When you're well enough off so's you don't have to fret about anything but your heft or your diseases you begin to get queer, I suppose. And the queerer the cure for those ailings the bigger the attraction. A place like the Right Livers' Rest was bound to draw freaks, same as molasses draws flies. 1913, Joseph C[rosby] Lincoln, chapter V, in Mr. Pratt’s Patients, New York, N.Y.; London: D[aniel] Appleton and Company, →OCLC:
She's in along with mother, talking about the college; it's to be biggered, sir. 1871, Julian Leep, A Ready-Made Family, volume 1, published 2009, page 322:
The money they splurged to the board's delight
Will be spent biggering IT services, clean out of sight 2002 August 5, Mark Gibbs, “IBM and PwC: Rhyme and Reasons”, in Network World, page 69:
But I had to grow bigger. So bigger I got.
I biggered my factory. I biggered my roads. 1971, Dr Seuss, The Lorax, page 39: