the act of one's silky tip on another's cheek...sleeping or not
dude, i cant believe you just gave me a vinegar stroke
by stone flint May 31, 2004
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In chess, a computer's meaningless checks just before mate are called 'Vinegar-Stroke
Checks'.
Checkmate is totally unavoidable - all black has left are the meaningless vinegar-stroke checks.
by Alan O'Brien July 3, 2005
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