Green’s Dictionary of Slang

a general intensifier, used to emphasise adjs., usu. implying extremes of ignorance, dirt etc, e.g. pig-ignorant.

1934		J. Franklyn This Gutter Life 174: I’m pig-sick of eating nothing but bread for three days.
1962		H. Livings Nil Carborundum (1963) Act II: Innit terrible when you’re the only one sober and everyone else’s pig-drunk?
1962		P. Mandel Mainside 115: ‘Right this way, Lieutenant,’ said the man, pig-proud of recognizing Mark’s rank.
1965		L. Dunne Goodbye to The Hill (1966) 25: I didn’t want him to think I was pig ignorant altogether.
1970		A. Sillitoe Start in Life (1979) 152: If Mother knew, she’d go pig-crazy.
1975		A. Bleasdale Scully 110: We was all pig-sick and soaked.
1978		J. Krantz Scruples 462: I was just jealous – pig jealous.
1986		J. Sullivan ‘Tea for Three’ Only Fools and Horses [TV script] She was a fair sort – pig-ugly, but a fair sort.
1991		F. Mac Anna Last of the High Kings 113: The local Fine Gael TD, whom Ma called a ‘pig-ignorant blueshirt bastard who wasn’t fit to suck cowshite through a straw’.
1999		Guardian Editor 3 Sept. 5: I had been drawing cutesy little teddies all day and I was pig sick of them.
2000		Indep. Rev. 7 Apr. 14: Until they’re completely, cameras-rolling, / Mics-live, pic-exclusive, pig-sick of it all.
2012		(con. 1980s) I. Welsh Skagboys 57: I am pig-sick tae the back teeth ay that cunt.