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1.
Salt and Sauce is a condiment peculiar to the scottish regions of Edinburgh and Fife where a mixture of malt vinegar and brown sauce is used to accompany chips or any meal from the local chipshop 'chippy'

Also refers to the obsucre (male) practice of defacting and cumming at the same time
"De ye want salt and sauce wie that pal?"
"aye both please"

"im sorry I have made a mess of your sheets with my salt and sauce
by the notorious gmacp April 11, 2006