Unlike the Australian version of the word, "scradge", meaning a man-slut, a "scraj" is a Scottish word for available woman, like bint, bindi, tottie, etc. It is also often incorrectly used as a name for the vagina.
"We're going doon the pub to find a bit o' scraj"

"Show us yer scraj, hen"
by Kennie J Young May 16, 2008
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