The best kind of hand in poker. A straight flush involves someone having five suited connectors as their hand. For instance, a hand of 4-5-6-7-8 of diamonds is a straight flush.

The top straight flush, 10 to ace, is called a royal flush and is the absolute pinnacle of poker.
I thought I had a nut flush, but Bryan rivered a straight flush and took home the pot.
by Devveyovich July 31, 2008
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Having someone take a dump in a woman's mouth and right afterwards she sucks dick with a mouth full of feces.
"Jason took a dump in my mouth and I gave Matt the straight flush."
by Priscilla Purple Allen August 24, 2008
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